Q. For the gaseous phase chemical reaction, C₂H₄(g) + H₂O(g) ↔ C₂H₅OH(g), the equilibrium conversion does not depend on the

View solution

Q. The first law of thermodynamics is a statement of conservation of

View solution

Q. Specific __________ does not change during a phase change (e.g. sublimation, melting, vaporisation etc.).

View solution

Q. Heat of formation of an element in its standard state is

View solution

Q. For an exothremic reaction

View solution

Q. Pick out the wrong statement.

View solution

Q. Entropy change for an irreversible isolated system is

View solution

Q. Heat requirement for decomposition of a compound into its elements is __________ that is evolved during the formation of that compound from its elements.

View solution

Q. The unit of equilibrium constant of a chemical reaction is the same as that of

View solution

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

View solution

Q. A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.

View solution

Q. In a P-V diagram (for an ideal gas), an isothermal curve will coincide withan adiabatic curve (through a point), when

View solution

Q. For an ideal gas, the chemical potential is given by

View solution

Q. Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be

View solution

Q. In the ammonia synthesis reaction, N₂ + 3H₂ ↔ 2NH₃ + 22.4 kcal, the formation of NH₃ will be favoured by

View solution

Q. When liquid and vapour phase of multi-component system are in equilibrium (at a given temperature and pressure), then chemical potential of each component is

View solution

Q. COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about

View solution

Q. The number of degrees of freedom for a mixture of ice and water (liquid) are

View solution

Q. On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will

View solution

Q. Domestic refrigerator usually works on the __________ refrigeration cycle.

View solution