SDSU Chemistry Placement Practice Test

Browse all practice questions for the SDSU Chemistry Placement Practice Test. Search by topic, open any question and review its full explanation, then test yourself in the practice quiz.

Start practice testFlash cards
SDSU Chemistry Placement Practice Test course image
A Balanced Chemical Equation Explained: Sucrose Combustion and Mass ConservationWhat is an example of a balanced chemical equation?A catalyst speeds up a chemical reaction by lowering its activation energy.What effect does a catalyst have on a chemical reaction?A Lewis dot structure shows how atoms share electrons, with covalent bonds drawn as simple lines.What does a Lewis dot structure represent?A proton carries a positive charge, and it shapes atoms.What is the charge of a proton?Anions are negatively charged ions that gain electrons.Which of the following best defines anions?Anions: why gaining electrons creates a negative charge and how they differ from cationsWhich of the following statements is true about anions?Aqueous means a substance is dissolved in water.What does "aqueous" indicate?Atomic mass is calculated by averaging isotopes based on their natural abundancesHow do you calculate the atomic mass of an element?Balancing chemical equations requires equal numbers of atoms on each side.What must be true to effectively balance a chemical equation?Balancing propane combustion: how C3H8 reacts with O2 to form CO2 and H2O.What is the balanced equation for the combustion of propane (C3H8)?Bases are proton acceptors, as defined by Brønsted–Lowry theory.Which of the following statements describes a base?Bond length explained: why the distance between two nuclei at minimum energy matters in chemistryWhat does bond length refer to in chemistry?Bond types determine melting points, not mass or atomic number.Which property influences the melting point of a substance?Buffer solutions keep pH steady when acids or bases are addedWhat is the primary purpose of a buffer solution?Buffer solutions resist changes in pH and keep chemical systems steady.What is a buffer solution?Carbon has atomic number 6 and it shapes chemistry.What is the atomic number of Carbon?Carbon monoxide is named using prefixes for nonmetals and the -ide ending.Which of the following correctly identifies the method of naming a compound like CO?Cations are positively charged ions, usually formed by alkali metalsWhat characteristic is associated with cations?Charles' Law shows why a gas's volume grows with temperature at constant pressure.Which gas law relates temperature and volume directly?Charles's Law explains how volume changes with temperature using V1/T1 = V2/T2.According to Charles' Law, what is the relationship between volume and temperature?Chemical reactivity isn’t a physical property: why boiling point, melting point, and solubility matter.Which is NOT a physical property of compounds and molecules?Chlorate's chemical formula explained: ClO3- and its place among chlorine oxoanions.What is the chemical formula for chlorate?Chromatography separates compounds by differing affinities to stationary and mobile phases.What is the principle behind chromatography?Color isn't a factor in reaction rate; here's what really speeds up chemistryWhich of the following factors does NOT affect the rate of a chemical reaction?Color isn't a factor in reaction speed - here's what actually changes how fast reactions happenWhich factor does NOT affect the rate of a chemical reaction?Combustion reactions release heat and light when fuels react with oxygen.What occurs during a combustion reaction?Condensation is the gas-to-liquid change, explained for SDSU chemistry topicsWhat is the term for the conversion of a gas into a liquid?Conservation of mass in chemical equations: why atoms must balance on reactants and productsWhat must the equation for a chemical reaction show regarding reactants and products?Converting moles to grams with NaCl is straightforward when you use molar mass.How many grams are in 0.5 moles of NaCl, given that its molar mass is 58.44 g/mol?Cooling gases contract when cooled, driven by lower kinetic energy and Charles's Law.What is typically observed when gases are cooled?Copper(II) Oxide naming made simple by recognizing its +2 charge and the oxide ionHow is Copper(II) Oxide correctly named?Covalent bonds form when atoms share electron pairs, creating sturdy molecules.Which type of bond involves the sharing of electron pairs between atoms?Density comes from mass divided by volume, showing how tightly matter is packedWhat is the formula for calculating density?Density is mass divided by volume: learn the formula and how to apply it.What is the formula used to calculate density?Deposition: how a gas becomes a solidWhat is the process called when a gas becomes a solid?Deprotonation shows how acids lose a hydrogen ion in acid-base chemistry.What is the process of an acid losing a hydrogen ion called?Dilution lowers molarity because the amount of solute stays the same while volume increases.What is the outcome of diluting a solution in terms of molarity?Electrolytes conduct electrical impulses and power nerves, muscles, and the heartbeatWhat is the primary role of electrolytes in the body?Electrolytes explained: ions in water that conduct electricity.What are electrolytes defined as in a chemical context?Electronegativity explains why atoms pull shared electrons and how it shapes bondsWhat is electronegativity?Endothermic processes absorb heat from their surroundings — here’s what that means.What is an endothermic process?Endothermic vs exothermic reactions show how heat moves during chemical changes.What is the difference between an endothermic and an exothermic reaction?Enthalpy is all about the heat change in chemical reactions.What does enthalpy primarily concern in a chemical reaction?Entropy in chemistry: understanding molecular disorder and what it means for spontaneityWhat is meant by entropy in a chemical context?Evaporation explains how liquids become gas at temperatures below the boiling point.What is the process called when a liquid turns into gas at a temperature below its boiling point?Evaporation is the process by which water escapes from a liquid into a gas, shaping the water cycle.What is the name of the process by which water molecules escape into the air from a liquid state?Exothermic reactions release heat and what that means for chemistryWhat characterizes an exothermic reaction?Exothermic reactions warm the surroundings: a simple guide for chemistry studentsWhat effect does an exothermic reaction have on its surroundings?Fluorine has the highest electronegativity—and here’s why it pulls electrons most strongly.Which element has the highest electronegativity?Gases have no fixed volume or shape, so they fill any container and take its form.How is a gas characterized in terms of volume and shape?Glucose has the formula C6H12O6, and that simple ratio matters in biology.What is the molecular formula for glucose?Glucose's molecular formula is C6H12O6, and here's what it means.What is the molecular formula for glucose?Here is the simple way to distinguish a solution from a suspension.What is the main difference between a solution and a suspension?Here's how titration helps you determine a solution's concentration.What is the primary goal of conducting a titration?Here's how to find the frequency of light with a 500 nm wavelength.What is the frequency of light with a wavelength of 500 nm?Here's how to name a metal-nonmetal ionic compound using the cation anion-ide rule.What is the proper way to name a compound formed between a metal and a nonmetal?Here's why 0°C at STP equals 273.15 Kelvin, and what it means for chemistry learners studying SDSU topicsAt standard temperature and pressure (STP), what is the temperature in Kelvin?How a double substitution reaction works: two elements swap bonds between two compoundsIn a double substitution reaction, how do the elements interact?How atomic mass is calculated: protons and neutrons add up to define an atom's mass.How is atomic mass calculated?How Boyle's Law Explains Why Gas Pressure Drops as Volume Increases at Constant TemperatureWhich principle states that gas pressure is inversely proportional to volume at a constant temperature?How catalysts speed up chemical reactions and why they matter in chemistryWhat is the term for substances that speed up chemical reactions without undergoing permanent changes themselves?How catalysts speed up chemical reactions without being consumed and why activation energy mattersWhat role does a catalyst play in a chemical reaction?How decreasing pressure makes a gas expand, according to Boyle's LawWhat does decreasing the pressure on a gas sample do to its volume, according to Boyle's Law?How electrons are shared unequally in polar covalent bondsIn a polar covalent bond, how are electrons shared?How increasing temperature affects a chemical reaction and speeds up the rate.How would increasing the temperature generally affect a chemical reaction?How Lewis dot structures show single, double, and triple bonds.What type of bonds can be represented in a Lewis dot structure?How many valence electrons does chlorine have?How solids melt: molecules speed up and move apart to form liquidsWhat happens to the molecules of a substance as it changes from solid to liquid?How specific heat capacity controls the temperature change per gram.Specific heat capacity is defined as:How the Arrhenius equation reveals how temperature affects reaction rates.What is the significance of the Arrhenius equation?How the dilution equation M1V1 = M2V2 helps chemists prepare accurate solutionsWhat does the equation M1V1 = M2V2 represent in chemistry?How the electron's mass compares to a proton and why it mattersHow does the mass of an electron compare to that of a proton?How the kinetic molecular theory explains gas behavior and why it matters in chemistry.What does kinetic molecular theory primarily explain?How the mass of a mole relates to an elementHow does the mass of a mole relate to the element?How titration reveals the concentration of an unknown acid or baseIn a titration, what are you trying to find out about the acid or base being titrated?How to calculate the molar mass of calcium carbonate (CaCO3) and why it mattersWhat is the molar mass of calcium carbonate (CaCO3)?How to calculate the molar mass of sodium bicarbonate (NaHCO3) and why 84.01 g/mol is the right answerWhat is the molar mass of sodium bicarbonate (NaHCO3)?How to convert grams of NaCl to moles and why molar mass mattersHow many moles are present in 50 grams of NaCl?How to determine the oxidation state of chlorine in ClO3− with a clear step-by-step exampleWhat is the oxidation number of chlorine in ClO3^-?How to find moles from mass and molar mass in chemistry for SDSU studentsWhat is the formula for calculating the number of moles from mass and molar mass?How to find the limiting reactant in a chemical reactionHow can you find the limiting reactant in a chemical reaction?How to spot when a solution's concentration increases and why it happensWhat indicates an increase in concentration of a solution?Hydrogen Bonding: The Key Intermolecular Force Behind Water's Unique PropertiesWhat is the primary intermolecular force in water?Hydrogen gas forms when acids meet metals, a clear look at the acid–metal reactionWhat gas is produced when an acid reacts with a metal?Increasing the surface area of reactants speeds up a chemical reactionWhich factor often leads to an increase in the rate of a chemical reaction?Ionic bonds explained: how metals transfer electrons to nonmetals to form stable compoundsWhich statement best describes ionic bonds?Ionic bonds form when metals transfer electrons to nonmetals, creating strong attractions that shape materials.Which of the following is true regarding ionic bonds?Ionization energy explains how easily atoms shed electrons and how this shapes periodic trends.What is meant by ionization energy?Isotopes are variants of the same element with different masses but the same chemical properties.Which of the following best describes isotopes?Isotopes differ from regular atoms by the number of neutrons.What is the primary difference between an isotope and a regular atom of an element?Le Chatelier's Principle explains how changes in concentration and pressure shape equilibrium in chemistry.Which principle explains how a change in concentration or pressure affects a system at equilibrium?Le Chatelier's Principle: How equilibrium shifts to relieve stress in chemical systemsWhat does Le Chatelier's Principle state about equilibrium systems?Mass and specific heat drive the heat equation—understand the variables in the specific heat capacity formulaThe formula for specific heat capacity includes which variables?Meet the carbonate ion, CO32-, and its key role in chemistry.What is the chemical formula for carbonate?Metallic Bonds and Why Metals Have High Melting and Boiling PointsWhich property is characteristic of metallic bonds?Metallic bonds: how metal atoms share a sea of electrons and what it means for metal properties.What type of bonding involves metal atoms and their valence electrons?Methane Is the Main Component of Natural Gas, and It Powers Our Everyday EnergyWhat is the main component of natural gas?Molarity: the moles of solute per liter of solution, not just the total volumeWhat is molarity in terms of a solute and a solution?Molarity: Understanding the amount of solute per liter and its role in solution chemistryWhich term describes the amount of solute dissolved per volume of solution?NaOH plus HCl forms NaCl and H2O through neutralization: a simple acid-base exampleWhat type of reaction is represented by NaOH + HCl → NaCl + H2O?Neutralization happens when an acid reacts with a base, producing water and a salt.In which condition does a neutralization reaction occur?Neutralization: How acids and bases make water and salt in one simple reaction.What type of reaction occurs when an acid reacts with a base?Neutrons are neutral: what that means for atomic structureWhat type of particles are neutrons classified as?Nitrate ion explained: NO3- is the correct formula and why it matters in chemistry and the environmentWhat is the formula for nitrate?Nitrogen is the most abundant gas in Earth's atmosphere, making up about 78 percent.What is the primary component in the Earth's atmosphere?Nonpolar covalent bonds form when electrons are shared equally between similar atoms.What type of bond involves the equal sharing of electrons between two nonmetal or metalloid atoms?Octane contains eight carbon atoms: a simple look at the alkane structureHow many carbon atoms are in a molecule of octane?Opposite charges attract: the key idea behind attraction and repulsion in electrostaticsWhich statement is true regarding the relationship between charges and attraction or repulsion?Oxidation state in chemistry explains the charge an atom would carry in ionic bonds and how that guides redox reactionsWhat does oxidation state represent in chemistry?Phase transitions explained: why they’re physical changes in chemistryWhat kind of change occurs during a phase transition?Phenolic compounds are defined by a hydroxyl group attached to an aromatic ring.In terms of phenol, what characterizes a phenolic compound?Phosphate's formula, PO4^3-, explained for chemistry and biology.What is the chemical formula for phosphate?Phospholipids build the cell membrane: the bilayer that keeps everything in placeWhat is the primary component of the cell membrane?Photosynthesis isn’t a general type of chemical reaction, and here’s whyWhich of the following is not a type of reaction defined in the text?Pressure is expressed in atmospheres, pascals, and millimeters of mercury.What units are typically used to express pressure?Protons Define an Element's Identity and Shape the Periodic TableWhat primarily determines the identity of an element?Reactants and products are the main components of a chemical equation, explained.What are the main components of a chemical equation?Redox reactions are all about electron transfer, and they shape chemistry in SDSU courses.What is an oxidation-reduction (redox) reaction?Redox Reactions Explained: How electron transfer powers chemistry from biology to industryWhat type of reaction involves the transfer of electrons?Rust on iron shows a chemical change, not melting ice or breaking glass.Which of the following indicates a chemical change?S orbitals are spherical, and p orbitals are dumbbell-shaped: a clear look at orbital shapes in atomic theory.What are the shapes of s and p orbitals?Shared electron pairs are the key to covalent bonds holding atoms togetherWhat is the primary force holding a covalent bond together?Sodium bicarbonate as a weak base: what baking soda teaches us about acid–base chemistryWhich of the following best describes sodium bicarbonate?Solid, liquid, and gas: how the three states of matter shape chemistryWhich of the following are considered the three states of matter?Solids keep their shape and volume: a straightforward look at this key chemistry concept for SDSUWhich of the following correctly describes a characteristic of solids?Solids keep their shape and volume: what that means in chemistry.What state of matter is characterized by a definite shape and volume?Solids stay solid because particles pack tightly, shaping the state of matterIn which state of matter are the particles most closely packed?Solubility is all about the maximum amount a solute can dissolve in a solventWhat does the term 'solubility' refer to?Solubility is the term for the maximum amount of solute that can dissolve at a given temperature.What term describes the maximum amount of solute that can dissolve in a solvent at a specific temperature?Solubility means a substance dissolves in a solvent to form a uniform solution.What is solubility?Sp2 hybridized orbitals create trigonal planar geometry.What shape does an sp² hybridized orbital possess?Stoichiometry focuses on quantifying reactants and products in chemical reactions using balanced equations.What is the focus of stoichiometry in a chemical reaction?Strong acids vs weak acids: how dissociation dictates pH and reactivity.What differentiates a strong acid from a weak acid?Sublimation explained: how a solid becomes a gas and how it differs from vaporization.What is the process of a solid turning directly into a gas called?Sublimation explained: how a solid turns directly into gasWhat is the process of converting a solid directly into a gas called?Sulfate is SO4^2-: a clear look at the formula, its -2 charge, and how it differs from related ionsWhich of the following represents sulfate?Sulfur in H2SO4 has a +6 oxidation state: a clear, friendly walkthrough.Identify the oxidation state of sulfur in H2SO4.Sulfuric acid plays a key role in fertilizer productionWhich of the following is a common use of sulfuric acid?The atomic number is defined by the number of protonsHow many protons define the atomic number of an element?The dominant force in ionic compounds is the electrostatic attraction between ions.What is the predominant force in ionic compounds?The Law of Conservation of Mass: Atoms rearrange in reactions, but mass stays the sameWhich law states that mass is neither created nor destroyed in a chemical reaction?The Law of Conservation of Mass: How Matter Remains Constant in Chemical ReactionsWhat does the Law of Conservation of Mass state?The Law of Conservation of Mass: Mass Isn’t Created or Destroyed in Chemical ReactionsWhat does the law of conservation of mass state?Titration is the reliable method for determining the concentration of an unknown solution.What is a common laboratory method for determining the concentration of an unknown solution?Transition metals stand out because they have multiple oxidation states.What is a key feature of transition metals?Two reactants form a single product: the essentials of a combination reactionWhich reaction type is characterized by two reactants yielding one product?Understanding a decomposition reaction: when a compound breaks down into simpler substancesWhat type of reaction is characterized by the breaking down of a compound into simpler products?Understanding a saturated solution: the point where no more solute can dissolve at a given temperature and pressure.Define a saturated solution.Understanding Avogadro's number and how 6.022×10^23 particles connect moles to chemistry.What is Avogadro's number?Understanding Avogadro's number shows why one mole equals 6.022 x 10^23 atoms.What is the value of a mole in terms of atoms?Understanding Avogadro's number: how 6.022 x 10^23 links grams to moleculesWhat is Avogadro's number?Understanding bond dissociation energy: the energy needed to break a chemical bondWhat is the term used for the energy required to break bonds in a chemical reaction?Understanding Boyle's Law: How pressure and volume relate in gases.Which law states that an increase in pressure results in a decrease in volume for a gas?Understanding bromate: BrO3- as the bromine oxyanion with bromine in +5 stateWhat is the chemical formula for bromate?Understanding buffers in chemistry and how they keep pH steadyWhat is a buffer in chemistry?Understanding chemical change: why new substances have different properties from the reactantsWhat occurs during a chemical change?Understanding chemical equilibrium: when forward and reverse reactions balance in a dynamic systemWhat is a chemical equilibrium?Understanding covalent bonds: how atoms share electrons to form moleculesWhich type of bond involves the sharing of electron pairs between atoms?Understanding covalent bonds: how sharing electrons stabilizes moleculesWhat type of bond involves the sharing of electron pairs between atoms?Understanding deposition: how a gas can become a solid without turning into a liquidWhich phase transition involves a substance changing from a gas to a solid without becoming a liquid?Understanding dilution: why adding solvent lowers the concentrationWhich process occurs when making a dilution?Understanding double displacement reactions for the SDSU chemistry placementWhat is a key feature of a double substitution reaction?Understanding double substitution reactions: how bond exchange creates two new compoundsWhat type of reaction produces two new compounds from the exchange of bonds?Understanding evaporation: what happens when a liquid becomes vapor and how it differs from boiling and other phase changes.What occurs when a liquid is turned into a vapor?Understanding Graham's Law: How Volumes of Gases Diffuse at Different RatesGraham's Law is used to compare:Understanding Graham's Law: why diffusion rates depend on molar masses and how the math connects r1/r2 to MM1 and MM2According to Graham's Law, what is the relationship between gas diffusion rates and molar masses?Understanding H in H = E + PV: enthalpy in thermodynamicsIn the equation H=E+PV, what does H represent?Understanding how nuclear forces keep protons and neutrons bound in the nucleus.What is the effect of nuclear forces in an atom's nucleus?Understanding how pressure and temperature relate in gases through Gay-Lussac's LawWhat is the relationship between pressure and temperature in gases known as?Understanding how temperature affects the solubility of solids in liquidsHow does increasing temperature impact the solubility of solids in liquids?Understanding iodate IO3-: what the iodate ion is, its +5 oxidation state, and how it differs from nitrate, phosphate, and sulfate.Which chemical compound is represented by the formula IO3-?Understanding melting: what happens when a solid becomes a liquid.What occurs during the process of melting?Understanding molarity: 2 moles in 1 liter equals 2 M.What is the concentration of a solution containing 2 moles of solute in 1 liter?Understanding molarity: how 5 moles in 2 liters give 2.5 M.What is the molarity of a solution made by dissolving 5 moles of NaCl in 2 liters of solution?Understanding Molarity: When 2 moles in 1 liter equal 2 MWhat is the molarity of a solution that contains 2 moles of solute in 1 liter of solution?Understanding Mole Fraction: How the ratio of moles reveals every component’s share in a mixtureWhat is a mole fraction?Understanding molecular mass: it's the sum of atomic masses in a molecule.What does molecular mass represent?Understanding neutralization reactions: how acids and bases form water and saltWhich type of reaction involves an acid and a base?Understanding nonpolar covalent bonds: equal sharing of electrons and why it matters.What defines a nonpolar covalent bond?Understanding orbitals: they are regions in atoms where electrons are most likely to be found.In atomic theory, what is an orbital?Understanding polar molecules: how uneven electron distribution creates a net dipole moment.What characterizes a "polar molecule"?Understanding significant figures: the digits you know for sure plus the first you’re unsure aboutWhich statement best describes significant figures?Understanding specific heat capacity: how much energy raises 1 gram of a substance by 1°C.What is the term for the amount of energy required to raise the temperature of 1 gram of a substance by 1 °C?Understanding substitution reactions: how a more reactive element replaces another in a compound.What characterizes substitution/replacement reactions?Understanding Substitution/Replacement Reactions: How a More Reactive Element Replaces a Less Active OneWhat reaction type involves an element replacing a less active element in a compound?Understanding the 109.5° bond angle in a tetrahedral moleculeWhat is the bond angle in a tetrahedral molecule?Understanding the Atomic Mass Unit (AMU) in ChemistryWhat does AMU stand for?Understanding the balanced methane combustion equation: CH4 + 2 O2 → CO2 + H2OWhat is the balanced equation for the combustion of methane (CH4)?Understanding the boiling point: what it is and why it matters to SDSU chemistry studentsWhat is the temperature at which a liquid begins to boil known as?Understanding the combined gas law: how pressure, volume, and temperature relate in one equation.What does the combined gas law express?Understanding the critical point: why a gas can no longer be squeezed into a liquidWhat term describes the point at which a gas can no longer be compressed into a liquid?Understanding the difference between physical and chemical changes in everyday chemistryWhat is the difference between a physical change and a chemical change?Understanding the equilibrium constant expression for aA + bB ⇌ cC + dD.What is the equilibrium constant expression for the reaction: aA + bB ⇌ cC + dD?Understanding the gas constant R in the ideal gas law for SDSU chemistry placementWhat is the value of the gas constant R in the ideal gas law?Understanding the ideal gas law: how PV = nRT ties pressure, volume, temperature, and moles togetherWhat is the formula for calculating pressure in a gas using the ideal gas law?Understanding the ideal gas law: PV = nRT and what it reveals about gasesWhat does the ideal gas law formula PV=nRT represent?Understanding the ideal gas law: why PV = nRT matters in chemistryWhat principle explains the behavior of ideal gases?Understanding the kinetic molecular theory: how gas particles in motion govern pressure, temperature, and volumeWhat does the kinetic molecular theory describe?Understanding the Limiting Reagent: Why One Reactant Determines How Much Product You GetWhat is the limiting reagent in a chemical reaction?Understanding the main purpose of titration: determining the concentration of an unknown solutionWhat is the main purpose of conducting a titration?Understanding the Octet Rule: Why Atoms Seek Eight Valence ElectronsWhat is the significance of the octet rule?Understanding the pH range of acid solutions and what it means for chemistry learnersWhat is the pH range of acid solutions?Understanding the Rate Law: How reactant concentration sets the pace of a chemical reactionWhich law states that the rate of a reaction is proportional to the concentration of the reactants?Understanding water's specific heat capacity and why 4.184 J/g°C mattersWhat is the specific heat capacity of water (H2O)?Understanding what 'dilute' means in solutions and how it shows up in everyday chemistryWhat does "dilute" mean in the context of solutions?Understanding what a catalyst is and how it speeds up chemical reactions.What is a catalyst?Understanding what a nucleon is and why it matters in chemistryWhat does the nucleon refer to?Understanding what a saturated solution is and how temperature affects solubility.What does the term "saturated solution" refer to?Understanding what an ion is: a charged atom or molecule and why it matters in chemistryWhat is an ion defined as?Understanding why a neutral solution has pH 7 at 25°CWhat is the pH of a neutral solution at 25°C?Understanding why living systems sit in a pH range of 6.5 to 7.5 and what it means for biologyWhat is the typical pH range of most living organisms?Understanding why NaCl is held together by an ionic bond between sodium and chlorineWhat type of bond is formed between sodium and chlorine in NaCl?Understanding why sulfuric acid is commonly known as battery acid and where it's used.What is the common name for sulfuric acid, a widely used chemical?Understanding why sulfuric acid is the strongest among common acids.Which of the following is the strongest acid?Volume doesn’t determine a substance’s specific heat—and here’s what does.Which factor does NOT affect the specific heat of a substance?Water's intermolecular forces are dominated by hydrogen bondsWhich type of intermolecular forces are present in water?Water's molar mass is 18 g/mol: a simple guide to calculating molar mass for H2OHow many grams are in one mole of water (H2O)?What action does a base perform in acids and bases chemistry?In the context of acids and bases, what action does a base perform?What defines a combination reaction? Two reactants form a single productWhat defines a combination reaction?What describes a decomposition reaction?What forms when an acid reacts with a base? Water and salt through neutralization.What is formed when an acid reacts with a base?What happens to a substance during oxidation in a redox reaction?What happens to a substance in a redox reaction that is oxidized?What happens to the substance being reduced in a redox reactionIn a redox reaction, what occurs to the substance that is being reduced?What is a Bronsted-Lowry acid? It’s all about donating a proton and what that means for water and acid-base reactionsIn acid-base chemistry, what is a Bronsted-Lowry acid?What makes a homogeneous mixture truly uniform and how it shows up in chemistryHow is a homogeneous mixture defined?What makes a molecule polar and why it matters in chemistryWhat is a polar molecule?What makes a reaction exothermic and how heat is released in chemical reactionsWhich of the following describes an exothermic reaction?What makes something an acid? Donating a proton under Brønsted-Lowry theoryWhich of the following correctly describes an acid?What the mcΔT formula really tells us about heat and temperature changeWhat does the formula for specific heat regulation represent?What the principal quantum number n tells us about the energy levels of electronsWhat does the principal quantum number n indicate?What thermochemistry is and why heat changes matter in chemical reactions.What is thermochemistry?When an acid reacts with a base, salt and water formWhat is the product of the reaction between an acid and a base?When pressure rises, volume falls: a simple look at Boyle's Law.According to Boyle's Law, what happens to volume when pressure increases?When the Temperature Rises, Solid Solubility in Liquids Tends to Increase.How does increasing temperature affect the solubility of a solid solute in a liquid solvent?Which phase change absorbs heat energy from the environment? A clear look at melting and evaporation.Which phase change absorbes heat energy from the environment?Why a hydrogen ion concentration of 1×10^-7 M yields pH 7What is the pH of a solution with a hydrogen ion concentration of 1 x 10^-7 M?Why a reaction mechanism matters: it describes the step-by-step path from reactants to products.What is the significance of a reaction mechanism?Why acids donate protons and how that shapes chemistry.Which of the following represents a characteristic of an acid?Why an element cannot be broken down by chemical means and how that sets it apart from compounds and mixturesWhat describes a substance that cannot be separated into simpler substances by chemical means?Why combustion releases heat and light: understanding the energy changes in burning reactions.What kind of energy change characterizes combustion reactions?Why Cresol qualifies as phenolic: distinguishing it from glucose, benzene, and acetoneWhich of the following compounds would be classified as phenolic?Why electrons sit outside the nucleus: a clear look for SDSU chemistry students.Which of the following particles is found outside of the nucleus?Why fluorine is the most electronegative element and what it means for chemistryWhich element has the highest electronegativity?Why heating a chemical reaction usually speeds it up and what that means for your chemistry studiesWhat does an increase in temperature typically do to the rate of a chemical reaction?Why ice floats: the crystalline structure of ice is less dense than liquid waterHow does the structure of ice compare to that of liquid water?Why ionic compounds typically dissolve in water and what that means for your chemistry journeyWhat is true about the solubility of ionic compounds in water?Why like charges repel and how electrostatic forces shape atoms, balloons, and bonding.What describes the electrostatic force between charges?Why mass stays constant in chemical reactions: a clear look at the Law of Conservation of MassWhich law states that mass is neither created nor destroyed in a chemical reaction?Why metals and nonmetals form ionic compounds explained for chemistry learners.Identify the type of compound formed between metals and nonmetals.Why metals conduct electricity: the secret is free-moving electronsWhich of the following properties is characteristic of metals?Why neutral water at 25°C has a pH of 7What is the pH of a neutral solution at 25°C?Why oxygen’s electron configuration is 1s² 2s² 2p⁴ and what it means for chemistryWhat is the electron configuration of the element oxygen?Why sublimation occurs most readily at high temperatures and low pressuresWhen does sublimation most commonly occur?Why the aluminum oxide formula is Al2O3 and how oxidation states balance to neutral compounds.What is the formula of the compound formed between aluminum and oxygen?Why the first 14 elements are called the light elements, from hydrogen to silicon.What is the name of the first 14 elements of the periodic table?Why the hydroxyl group changes water solubility in phenolic compounds.What is the significance of a hydroxyl group in phenolic compounds?Why the Pascal is the standard SI unit for pressure.What is the standard unit of pressure in the SI system?Why the silver symbol Ag matters in chemistry and how Latin names shape chemical notationWhat is the chemical symbol for silver?Why you can't know an electron's position and speed at the same timeWhat does the Heisenberg Uncertainty Principle state regarding electrons?
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy