A chemical reaction in which two or more substances combine to make a new compound.
A. balance C. physical change
B. addition reaction D. decomposition reaction
What is B. Addition Reaction
200
A term used to describe a substance that does not dissolve in water.
A. conservation of atoms C. insoluble
B. product D. excess reactant
What is C. Insoluble
200
States that the number of each type of atom on the reactant side of a chemical equation must equal the number of each type of atom on the product side.
A. excess reactant C. precipitate
B. conservation of mass D. conservation of atoms
What is D. conservation of atoms
200
A substance formed when one of the compounds in a double-displacement reaction is insoluble, or does not dissolve in water, and thus falls to the bottom of the liquid as a solid.
A. precipitate C. limiting reactant
B. coefficient D. endothermic reaction
What is A. precipitate
200
A substance that enters into and is changed by the chemical reaction.
A. balance C. reactant
B. product D. chemical equation
What is C. reactant
300
Occurs when the number and type of atoms on the reactant and product sides of a chemical equation are equal.
A. addition reaction C. physical change
B. balance D. product
What is B. balance
300
A chemical reaction in which a single compound is broken down into two or more smaller compounds.
A. addition reaction C. decomposition reaction
B. single-displacement reaction D. product
What is C. decomposition reaction
300
Occurs when less energy is required to break bonds than is released when the bonds reform; it will feel warmer when you touch it.
A. endothermic reaction C. exothermic reaction
B. addition reaction D. decomposition reaction
What is C. exothermic reaction
300
The reactant that is used up first in a chemical reaction.
A. limiting reactant C. addition reaction
B. excess reactant D. product
What is A. limiting reactant
300
A number placed in front of a chemical formula to make the number of atoms on each side of a chemical equation equal.
A. precipitate C. coefficient
B. product D. insoluble
What is C. coefficient
400
The breaking of bonds to form new substances. These include a rearranging of atoms.
A. product C. chemical reaction
B. physical change D. balance
What is C. chemical reaction
400
A change in the physical properties of a substance, such as size, shape or state.
A. balance C. chemical change
B. chemical reaction D. physical change
What is D. physical change
400
A substance that is created by a chemical reaction.
A. product C. reactant
B. insoluble D. coefficient
What is A. product
400
A reaction in which one element replaces a similar element in a compound.
A. double-displacement reaction C. addition reaction
B. single-displacement reaction D. decomposition reaction
What is B. single-displacement reaction
400
Chemical formulas and symbols that represent a chemical reaction.
A. product C. chemical reaction
B. physical change D. chemical equation
What is D. chemical equation
500
A law that states that the total amount of mass before a reaction must equal the total amount of mass after the reaction.
A. conservation of mass C. chemical reaction
B. conservation of atoms D. insoluble
What is A. conservation of mass
500
A reaction in which more energy is required to break the bonds than is released when the bonds reformed. It will feel cold.
A. addition reaction C. decomposition reaction
B. exothermic reaction D. endothermic reaction
What is D. endothermic reaction
500
A reactant that is not completely used up.
A. excess reactant C. coefficient
B. balance D. limiting reactant
What is A. excess reactant
500
A reaction in which ions from two compounds in a solution exchange places to produce two new compounds.
A. single-displacement reaction C. addition reaction
B. double-displacement reaction D. decomposition reaction
What is B. double-displacement reaction
500
A change that involves breaking and reforming bonds to form a new substance.
A. physical change C. chemical change
B. coefficient D. limiting reactant