Question

Given the following equations and Ho values given below, determine the heat of reaction at 298...

  1. Given the following equations and Ho values given below, determine the heat of reaction at 298 K for the reaction:

2 N2(g) + 5 O2(g) 2 N2O5(g)

2 H2(g) + O2(g)  2 H2O(l)                   Ho/kJ = -571.6

N2O5(g) + H2O(l)  2 HNO3(l)             Ho/kJ = -73.7

N2(g) + 3 O2(g) + H2(g)  2 HNO3(l) Ho/kJ = -348.2
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Answer #1

The heat of the reaction at 298 K for the given reaction is +22.6 kJ .

The detail calculation is shown below .

the We have to calculate heat of the reaction at 2988 (40) for the reeaction : 2N, (g) 502 (9) - 2N205 g) 2 H₂ (g) + O₂(g) 2H[equation liv] - (2x equations (it)], we get 2N, (g) +509 (8) + 2H20 0) = 4HNO3(e); H= -124.sk] 2N₂05 (9) + 2 H₂0 (1) 4 4N03

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