Lenz’s law results from the law of conservation of___________________? A. Mass B. MomentumC. Energy D. None of these

At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is____________________? A. ZeroB. One C. Infinity D. Negative

____________ does not change during phase transformation processes like sublimation, melting & vaporisation? A. EntropyB. Gibbs free energy C. Internal energy D. All (A), B. & (C)

At a given temperature, the volume of a gas dissolved in a solvent _______________ with increase in pressure? A. Increases B. DecreasesC. Remains unchanged D. May increase or decrease; depends on the gas

In the reaction; N2 + O2 ⇌ 2NO, increasing the pressure will result in_________________? A. Shifting the equilibrium towards right B. Shifting the equilibrium towards leftC. No change in equilibrium condition D. None of these

1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the…

Work done may be calculated by the expression ∫ p dA for _____________ processes ? A. Non-flow reversible B. AdiabaticC. Both A. and B D. Neither A. nor B

Sound waves propagation in air exemplifies an ______________ process? A. Adiabatic B. Isothermal C. Isometric D. None of these

Which of the following is an undesirable characteristic of a refrigerant ? A. It should be non-explosiveB. It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils C. Its vapor pressure at the condenser temperature should be…