Ster R.

asked • 03/02/20

Use Hess's Law to calculate the heat of reaction for the following reaction :

A + 3B —> 3C + 2D

A + 28 —> C+ D H= -20 kJ

B —> 2C+ D H= -45 kJ


a. -65 kJ

b. +65 kJ

c. -25 kJ

d. +25 kJ

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