Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass ?

Related Mcqs:

A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system is______________?

A. 3 B. 4 C. 5 D. 6...

Fugacity and pressure are numerically not equal for the gases__________________?

A. At low temperature and high pressure B. At standard state C. Both A. and B D. In ideal state...

Third law of thermodynamics is helpful in___________________?

A. Prediction of the extent of a chemical reaction B. Calculating absolute entropies of substances at different temperature C. Evaluating entropy changes of chemical reaction D. Both B. and C....

Refrigerants commonly used for domestic refrigerators are_________________?

A. Ethyl chloride or methyl chloride B. Freon-12 C. Propane D. NH3 or CO2...

A domestic refrigerator has a/an ____________ cooled condenser?

A. Water B. Air C. Evaporative D. Gas...