The value of U for the decomposition of 7.647 g of ammonium nitrate can be measured in

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The value of ∆U for the decomposition of 7.647 g of ammonium nitrate can be measured in a bomb calorimeter. The reaction that occurs is NH4NO3(s)  NO(g) + 2 HO(g)

The temperature of the calorimeter, which contains 415 g of water, increases from 18.90°C to 20.72°C. The heat capacity of the bomb is 155 J/K. What is the value of ∆U for this reaction, in kJ/mol?

Cengage Leaming/Charles D. Winters The decomposition of ammonium nitrate is clearly exothermic.

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Chemistry And Chemical Reactivity

ISBN: 9780357001172

10th Edition

Authors: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

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