All gases except ____________ shows a cooling effect during throttling process at atmospheric temperature and pressure?

Related Mcqs:

Activity co-efficient is a measure of the____________________?

A. Departure from ideal solution behaviour B. Departure of gas phase from ideal gas law C. Vapour pressure of liquid D. None of these...

“When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change.” This is called the_______________?

A. Le-Chatelier principle B. Kopp’s rule C. Law of corresponding state D. Arrhenius hypothesis...

The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmann‟s constant, T = absolute temperature) ?

A. √(2KT/m) B. √(3KT/m) C. √(6KT/m) D. 3KT/m...

The chemical potential of any constituent of an ideal solution depends on the ______________ of the solution?

A. Temperature B. Pressure C. Composition D. All (A), B. and (C)...

Which of the following identities can be most easily used to verify steam table data for superheated steam ?

A. (∂T/∂V)S = (∂p/∂S)V B. (∂T/∂P)S = (∂V/∂S)P C. (∂P/∂T)V = (∂S/∂V)T D. (∂V/∂T)P = -(∂S/∂P)T...