3) Which tool would a scientist use to measure reaction energy?

A) calorimeter

B) reaction vessel

C) bond energy meter

D) vacuum flask
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4) Which phrase describes chemical potential energy?

A) the amount of energy absorbed by reactants

B) the amount of energy absorbed by products

C) the amount of energy needed to break a bond

D) the amount of energy stored in bonds
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5) Into which type of reaction would a scientist have to infuse a lot of energy in order to cause the reaction to occur?

A) highly exothermic

B) slightly exothermic

C) slightly endothermic

D) highly endothermic