A. It should be non-explosive
B. It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils
C. Its vapor pressure at the condenser temperature should be very high
D. None of these
0
Sound waves propagation in air exemplifies an ______________ process?
0
Work done may be calculated by the expression ∫ p dA for _____________ processes ?
A. Adiabatic
B. Isothermal
C. Isometric
D. None of these
0
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 final temperature will be ?
A. Non-flow reversible
B. Adiabatic
C. Both A. and B
D. Neither A. nor B
0
In the reaction; N2 + O2 ⇌ 2NO, increasing the pressure will result in_________________?
A. 35 K
B. 174 K
C. 274 K
D. 154 K
0
At a given temperature, the volume of a gas dissolved in a solvent _______________ with increase in pressure?
A. Shifting the equilibrium towards right
B. Shifting the equilibrium towards left
C. No change in equilibrium condition
D. None of these
0
____________ does not change during phase transformation processes like sublimation, melting & vaporisation?
A. Increases
B. Decreases
C. Remains unchanged
D. May increase or decrease; depends on the gas
0
At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is____________________?
A. Entropy
B. Gibbs free energy
C. Internal energy
D. All (A), B. & (C)
0
Lenz’s law results from the law of conservation of___________________?
A. Zero
B. One
C. Infinity
D. Negative