Heat Capacity and Calorimetry

AP Chemistry· difficulty 2/5

coffee cup bomb

Which calorimeter is best for measuring the heat of combustion of a solid food sample?

  • A

    Neither, must use a TGA

  • B

    Coffee-cup calorimeter (open to air)

  • C

    Either gives identical results

  • D

    Bomb calorimeter (constant V; rigid sealed vessel)

    check_circle

Explanation

Combustion produces gases; a sealed bomb calorimeter at constant V contains them and measures total heat released, whereas a coffee cup cannot.

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