Chemical Reactions Flashcards
(8 cards)
1
Q
Chemical reaction
A
The process in which atoms are rearranged to produce new substances.
2
Q
Chemical reaction
A
Expression to show the realationship between reactants+products
3
Q
Reactants
A
That participate in (start) a chemical reaction
4
Q
Products
A
Substance 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
Exothermic reaction
A
Chemical reaction with an output of energy
