When a 3.125 g sample of ammonium nitrate (NH ₄NO3 , molar mass = 80.05 g/mol) decomposes in a bomb calorimeter with a heat capacity oF4.116 kJ/ C, the temperature rises from 24.15 C to 25.35 C. What is D E for the decomposition of ammonium nitrate?
NH ₄NO3(s) N₂O (g) + 2 H₂ O ( 
)
A) - 126 kJ
B) - 69.5 kJ
C) - 4.94 kJ
D) - 1.58 kJ
E) none of these
Correct Answer:
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