The reaction A (l) → R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The numbers of degrees of freedom are ?

Related Mcqs:

Pick out the correct statement?

A. Like internal energy and enthalpy, the absolute value of standard entropy for elementary substances is zero B. Melting of ice involves increase in enthalpy and a decrease in randomness C. The internal energy of an ideal gas depends only on its pressure D. Maximum work is done under reversible conditions...

A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA as shown below in the P-V diagram. The net work done during the complete cycle is given by the area covered by_________________?

A. P1ACBP2P1 B. ACBB1A1A C. ACBDA D. ADBB1A1A...

Clapeyron Equation deals with the____________________?

A. Rate of change of vapour pressure with temperature B. Effect of an inert gas on vapour pressure C. Calculation of ΔF for spontaneous phase change D. Temperature dependence of heat of phase transition...

Choose the condition that must be specified in order to liquify CO2 (triple point for CO2 is – 57°C and 5.2 atm) ?

A. Pressure must be kept below 5.2 atm B. Temperature must be kept above – 57°C C. Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C D. Pressure and temperature must be kept below 5.2 atm. and – 57°C respectively...

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...