The molar heat of formation of NH4 NO3(s) is −367.5KJ and those of N – InterviewSolution

1.	The molar heat of formation of NH4 NO3(s) is −367.5KJ and those of N2O(g) and H2O(l) are +81.46KJ and −285.78KJ respectively at 25o C and 1 atmospheric pressure. The △ U for the reaction NH4NO3(s)→N2O(g) + 2H2O(l)
Answer» The molar heat of formation of $N H_{4} N O_{3} (s)$ is $- 367.5 K J$ and those of $N_{2} O (g)$ and $H_{2} O (l)$ are $+ 81.46 K J$ and $- 285.78 K J$ respectively at $25^{o} C$ and 1 atmospheric pressure. The $△$ U for the reaction $N H_{4} N O_{3} (s) \to N_{2} O (g) + 2 H_{2} O (l)$

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