Chapter 2 Flashcards
What is a solid that is produced as a result of a chemical reaction in solution?
precipitate
What is a combination of chemical symbols and numbers to represent a substance?
chemical formula
What is a representation of a chemical reaction that uses symbols to show the relationship between the reactants in a chemical and the products?
chemical equation
What is a substance or molecule that participates in a chemical reaction?
reactant
What is the substance that forms in a chemical reaction?
product
What is the law that states mass cannot be created or destroyed?
law of conservation of mass
What is a reaction in which more substances combine to form a new compound?
synthesis reaction
What is a reaction in which a single compound breaks down to form two or more simpler substances?
decomposition reaction
What is a reaction in which one element or radical takes the place of another element or radical in a compound?
single-displacement reaction
What is a reaction in which a gas, a solid precipitate, or a molecular compound forms from the exchange of ions between two compounds?
double-displacement reaction
What is a chemical reaction in which heat is released to the surroundings?
exothermic reaction
What is a chemical reaction that requires heat?
endothermic reaction
What is the law that states that energy cannot be creates or destroyed but can be changed from one form to another?
law of conservation of energy
What is the minimum amount of energy required to start a chemical reaction?
activation energy
What is a substance that slows down or stops a chemical reaction?
inhibitor
