Energy in Chemical Reaction

In EXOTHERMIC reactions, energy is _____ from the reaction to the surroundings.

• Absorbed

• Released

• Eliminated

• Evaporated

In ENDOTHERMIC reactions, energy is _____ by the reaction system from the surroundings.

• Absorbed

• Released

• Eliminated

• Obliterated

Cooking and baking are _____ reactions.

• EXOthermic

• ENDOthermic

Fireworks are an _____ reaction.

• EXOthermic

• ENDOthermic

If a chemical reaction produces light or sound, it is likely a _____ reaction.

• EXOthermic

• ENDOthermic

The energy required to start a chemical reaction is ___.

• endothermic

• exothermic

• activation

• released

Energy is _____ when new bonds form.

• absorbed

• released

• lost

• gained

Energy is ______ when bonds break.

• gained

• lost

• released

• absorbed

An _______ reaction is when more thermal energy is absorbed than is released.

• endothermic

• endergonic

• exothermic

• exergonic

An _______ reaction is when more thermal energy is released than is absorbed.

• endothermic

• endergonic

• exothermic

• exergonic