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A reaction takes place inside a constant volume or BOMB calorimeter. Pressure is

not constant during the reaction. The heat absorbed by the calorimeter is measured to be +15J. Which of the following is true?

qrxn = -15J

ΔErxn = 15J

ΔErxn = 0

ΔHrxn = 15J

q = w

ΔErxn = -15J

w = 0

ΔHrxn = -15J ( I chose this and it was incorrect)

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