A necessary condition for an adiabatic change is-

1. ∆T = 0

2. ∆P = 0

3. q = 0

4. w = 0

Which, among the following, is not a state function?

1. Internal energy

2. Free energy

3. Work

4. Enthalpy

Identify the false statement among the following.

The enthalpy of formation of all elements in their standard state is-

Thermodynamics is not concerned about-

1. Energy changes involved in a chemical reaction

2. The extent to which a chemical reaction proceeds

3. The rate at which a reaction proceeds

4. The feasibility of a chemical reaction

In an adiabatic process, no transfer of heat takes place between the system and its surroundings. The correct option for free expansion of an ideal gas under adiabatic condition from the following is -

1. $\mathrm{q}=0, ∆\mathrm{T}\ne 0, \mathrm{W}=0$

2. $\mathrm{q}\ne 0, ∆\mathrm{T}=0, \mathrm{W}=0$

3. $\mathrm{q}=0, ∆\mathrm{T}=0, \mathrm{W}=0$

4. $\mathrm{q}=0, ∆\mathrm{T}=0, \mathrm{W}\ne 0$

The amount of heat needed to raise the temperature of 60.0 g of aluminium from 35°C to 55°C would be -

(Molar heat capacity of Al is $24$ $\mathrm{J}$ ${\mathrm{mol}}^{-1}$ ${\mathrm{K}}^{-1}$)

$1.$ $1.07$ $\mathrm{J}$
$2.$ $1.07$ $\mathrm{kJ}$
$3.$ $106.7$ $\mathrm{kJ}$
$4.$ $100.7$ $\mathrm{kJ}$

The correct statement among the following is-

.

A Beckmann thermometer is used to measure -

1. High temperature

2. Low temperature

3. Normal temperature

4. All temperatures

Work done is maximum in -

1. Isobaric work           

2. Isothermal work

3. Isochoric work         

4. Adiabatic work