Q.9 a) Show that| (KrP – BT)V %3D KT = Isothermal compressibility B = volume expansivity b) The vapour pressure, p, of a gas varies with temperature as follows: T/K 1125 1175 1225 1275 Р (Ра) 400 1400 3280 7100 Evaluate the enthalpy of vaporization and also the vapour pressure of gas at 125 K.

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Q.9 a) Show that()
(KrP – BT)V
Kj = Isothermal compressibility
B = volume expansivity
b) The vapour pressure, p, of a gas varies with temperature as follows:
T/K
1125
1175
1225
1275
р (Ра)
400
1400
3280
7100
Evaluate the enthalpy of vaporization and also the vapour pressure of gas at 1250 K.
Transcribed Image Text:Q.9 a) Show that() (KrP – BT)V Kj = Isothermal compressibility B = volume expansivity b) The vapour pressure, p, of a gas varies with temperature as follows: T/K 1125 1175 1225 1275 р (Ра) 400 1400 3280 7100 Evaluate the enthalpy of vaporization and also the vapour pressure of gas at 1250 K.
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