chemical reactions Flashcards
1
Q
chemical reaction
A
a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.
2
Q
exothermic
A
the release of heat
3
Q
endothermic
A
taking the heat and releasing cold air
4
Q
reactant
A
a substance that takes part in and undergoes change during a reaction.
5
Q
reagent
A
a substance or mixture for use in chemical analysis or other reactions.
6
Q
product
A
a product is a substance that is formed as the result of a chemical reaction
7
Q
state
A
state of matter.
8
Q
aqueous
A
containing water.
9
Q
coefficients
A
the coefficients give the number of molecules (or atoms) involved in the reaction.
