Assertion: chemical reaction | /r/CapableOf | use symbol
Facets:
value: to show the relationship
type: PURPOSE
Source sentences:
text: Start over A B chemical reaction process in which one or more substances change to make one or more new substances precipitate a solid that is produced as a result of a chemical reaction in a solution chemical bond a force that holds two atoms together in a molecule diatomic molecule molecule made up of two of the same atoms chemical formula a shorthand way to use chemical symbols and numbers to represent a substance subscript number written below and to the right of a chemical symbol in a formula ionic compound always has a charge of "zero" chemical equation a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products reactants the starting materials in a reaction - on the left side of the equation products the substances formed in a reaction - found to the right in the equation law of conservation of mass says that mass is neither created nor destroyed in ordinary chemical and physical changes coefficient a number that is placed in front of a chemical symbol or formula synthesis reaction a reaction in which two or more substances combine to form one new compound decomposition reaction a reaction in which a single compound breaks down to form two or more simpler substances single-displacement reaction a reaction in which one element takes the place of another element in a compound double-displacement reaction a reaction in which ions from two compounds exchange places exothermic reaction a reaction in which energy is released endothermic reaction a chemical reaction in which energy is taken in law of conservation of energy energy cannot be created or destroyed, but it can change forms rate of a reaction the speed at which new particles form activation energy the smallest amount of energy that molecules need to react higher temperature causes a faster rate of reaction concentration a measure of the amount of one substance dissolved in another substance surface area the amount of exposed surface of a substance inhibitor a substances that slows down or stops a chemical reaction catalyst a substance that speeds up a reaction without being permanently changed