Chemical Reaction Vocab Flashcards
(9 cards)
1
Q
Chemical reaction
A
Process in which atoms are rearranged to produce new substances.
2
Q
Chemical equation
A
Expression to show the relationship between reactants+products.
3
Q
Reactants
A
Substance that participate in (starts) chemical reaction.
4
Q
Products
A
Are the substances formed in a chemical reaction.
5
Q
Law of conservation of mass
A
Matter that 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
A chemical reaction with an input of energy.
8
Q
Exethermic reaction
A
Chemical reaction with an out put of energy.
9
Q
A