Chemical Reactions Flashcards
(8 cards)
1
Q
Chemical Reaction
A
Process I which are rearranged to produce new substances.
2
Q
Chemical Equation
A
An expression to show the relationship between reactants + products.
3
Q
Reactants
A
Substances that participate in (start) a chemical reaction.
4
Q
Products
A
Substances that are formed in a chemical reaction.
5
Q
Law of Conservation of Mass
A
Matter cannot be created or destroyed
6
Q
Coefficient
A
Number in front of a chemical formula, and this can change to balance an equation
7
Q
Endothermic reaction
A
Chemical reaction with an input of energy
8
Q
Extothermic reactiin
A
Chemical reaction with an output of energy