Author Question: Consider the reaction2N2O5(g) 4NO2(g) + O2(g)at 25C for which the following data are ... (Read 61 times)

lracut11 · **on:** Mar 21, 2021

Question 1

Consider the reaction:

2SO₂(g) 2SO₃(g)

for which ΔH° = –200. kJ and ΔS° = –186.5 J/K at 25°C. Assuming that ΔH° and ΔS° are independent of temperature, calculate the temperature where K_p = 1.

◦ 972. K
◦ 2072 K
◦ 200. K
◦ 1072 K
◦ None of these are correct.

Question 2

Consider the reaction
2N₂O₅(g)

4NO₂(g) + O₂(g)
at 25°C for which the following data are relevant:

	ΔH_f°	S°
N₂O₅	13.30 kJ/mol	355.7 J/K·mol
NO₂	33.15 kJ/mol	239.9 J/K·mol
O₂	0 kJ/mol	204.8 J/K·mol

CalculateΔS°for the reaction.

Reference: Ref 17-4

◦ 808.7 J/K
◦ 89.0 J/K
◦ 453.0 J/K
◦ -266.7 J/K
◦ 1164.4 J/K

parshano · **Reply #1 on:** Mar 21, 2021

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