A. 0
B. ∞
C. +ve
D. -ve
A. Enthalpy remains constant
B. Entropy remains constant
C. Temperature remains constant
D. None of these
During Joule-Thomson expansion of gases_________________? Read More »
Thermodynamics for Chemical A. Kp2/Kp1 = – (ΔH/R) (1/T2 – 1/T1)
B. Kp2/Kp1 = (ΔH/R) (1/T2 – 1/T1)
C. Kp2/Kp1 = ΔH (1/T2 – 1/T1)
D. Kp2/Kp1 = – (1/R) (1/T2 – 1/T1)
A. Water
B. Air
C. Evaporative
D. Gas
A domestic refrigerator has a/an ____________ cooled condenser? Read More »
Thermodynamics for Chemical A. Van Laar
B. Margules
C. Gibbs-Duhem
D. Gibbs-Duhem-Margules
A. +ve
B. 0
C. -ve
D. ∞
A. Zero
B. Positive
C. Negative
D. None of these
A. -273
B. 0
C. -78
D. 5
Sublimation temperature of dry ice (solid CO2) is ____________ °C? Read More »
Thermodynamics for Chemical A. Freon-12
B. Ethylene
C. Ammonia
D. Carbon dioxide
Which of the following is not a common refrigerant ? Read More »
Thermodynamics for Chemical A. Zero
B. Negative
C. Very large compared to that for endothermic reaction
D. Not possible to predict
The energy of activation of exothermic reaction is_________________? Read More »
Thermodynamics for Chemical