Match the numbers to the letters [not all terms are used]
1- a chemical reaction that absorbs thermal energy
2- a chemical reaction that releases thermal energy
3- a substance that lowers the activation energy of a reaction
4- a substance that slows or stops a chemical reaction
5- how quickly a chemical reaction occurs
A- catalyst
B- reaction rate
C- endothermic
D- inhibitor
E- concentration
F- exothermic
G- reaction rate
Answers: 2
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Match the numbers to the letters [not all terms are used]
1- a chemical reaction that absorbs therm...
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