What is the energy released when a chemical compound reacts to produce new compounds?
100
Avogadro's Number
What is 6.02 E23
100
Decomposition Reaction
What is a reaction in which a single compounds breaks down to form two or more simpler substances?
100
Catalyst
What is a substance that changes the rate of a chemical reaction without being consumed or changed significantly?
100
Atom
What is the smallest unit of an element that maintains the chemical properties of that element?
200
Product
What is a substance that forms in a chemical reaction?
200
Chemical Equation
What is a representation of a chemical reaction that uses symbols to show the relationship between the reactants and products?
200
Combustion Reaction
What is the oxidation reaction of an organic compound in which heat is released?
200
Double-Displacement Reaction
What is a reaction in which a gas, a solid precipitate, or a molecular compound forms from the apparent exchange of atoms or ions between two compounds?
200
Substrate
What is the reactant in reactions catalyzed by enzymes?
300
Exothermic Reaction
What is a reaction where the products release more energy than is required to break the bonds of the reactants.
300
Mole
What is the amount of substance that has the same amount of particles as 12 grams of Carbon-12 does atoms?
300
Synthesis reaction
What is a reaction in which two or more substances combine to form a new compounds?
300
Single-Displacement Reaction
What is a reaction in which one element or radical takes the place of another element or radical in a compound?
400
Reactants
What is a substance or molecule that participates in a chemical reaction?
400
Mole Ratio
What is the relative number of moles of the substances required to produce a given amount of product in a chemical reaction?
400
Oxidation-Reduction Reactions
What is any chemical change in which one species is oxidized (loses electrons) and another species is reduced (gains electrons); also called redox reaction
400
Chemical Equillibrium
What is a state of balance in which the rate of a forward reaction equals the rate of the reverse reaction and the concentrations of products and reactants remain unchanged?
500
Endothermic Reaction
What is a reaction where the reactants require more energy to break the bonds than the products release?
500
Law of Definite Proportions
What is a compound always contains the same elements in the same proportions regardless of how the compounds is made or how much of the compound is formed?
500
Free Radical
What is an atom or a group of atoms that has one unpaired electron?
500
Enzyme
What is a molecule, either protein or RNA, that acts as a catalyst in biochemical reactions?