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Determine the value of Kp and temperature.

1. Nitrosyl chloride decomposes by the following reaction with Hº = -51.7 kJ/mole and Sº = 48.2 J/mole.K.

Approximation Kp at 100ºC.
NOCl(g) " 1/2 N2(g) + 1/2 O2(g) + 1/2 Cl2(g)
A.6.21 x 107
B.2.48 x 108
C.7.45 x 108
D.3.25 x 109
E.5.67 x 109

2. Using the listed information find out the temperature (C) where Kp = 1.0.

Ag2O(s) " 2 Ag(s) + 1/2 O2(g)
Hºf (kJ/mole) -31.0, 0.0, 0.0
Sº (J/K.mole) 121.3, 42.6, 205.1
A.152
B.194
C.222
D.367
E.441

• Category:- Chemistry
• Reference No.:- M919022

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