A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be __________ c.c. 273 2.73 283 28.3 TRUE ANSWER : ? YOUR ANSWER : ?
The internal energy of an ideal gas does not change in a reversible __________ process. Isometric Adiabatic Isobaric Isothermal TRUE ANSWER : ? YOUR ANSWER : ?
Joule-Thomson co-efficient depends on the Both A & B Temperature Pressure Neither A nor B TRUE ANSWER : ? YOUR ANSWER : ?
Melting of wax is accompanied with __________ in entropy. Decrease None of these Increase No change TRUE ANSWER : ? YOUR ANSWER : ?
Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will Remain unchanged Decrease First fall and then rise Increase TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass? DQ = CvdT + PdV Tds = dE - PdV DE = Tds - PdV DQ = CpdT + Vdp TRUE ANSWER : ? YOUR ANSWER : ?
A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor. Isolated None of these Open Closed TRUE ANSWER : ? YOUR ANSWER : ?
Enthalpy changes over a constant pressure path are always zero for __________ gas. A real Any A perfect An easily liquefiable TRUE ANSWER : ? YOUR ANSWER : ?
Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature. Infinity None of these Minus infinity Zero TRUE ANSWER : ? YOUR ANSWER : ?
A system is said to be at equilibrium, if the entropy of the system has reached __________ value. Zero Minimum Maximum None of these TRUE ANSWER : ? YOUR ANSWER : ?