If a refrigerator's door is opened, then we get

(1) Room heated

(2) Room cooled

(3) More amount of heat is passed out

(4) No effect on room

Point out the wrong statement in relation to enthalpy

1. It is a state function

2. It is an intensive property

3. It is independent of the path followed for the change

4. Its value depends upon the amount of substance in the system

Which of the following is zero for an isochoric process

1. dP

2. dV

3. dT

4. dE

Mark the correct statement 

1. For a chemical reaction to be feasible, ΔG should be zero

2. Entropy is a measure of order in a system

3. For a chemical reaction to be feasible, ΔG should be positive

4. The total energy of an isolated system is constant

Which of the following best describes internal energy (U) as a thermodynamic property?

1. Path function

2. State function

3. Both (1) and (2)

4. None of these

The intensive property among these quantities is

(1) Enthalpy

(2) Mass/volume

(3) Mass

(4) Volume

Which of the following is not a state function?

Which of the following is true for an adiabatic process ?

1. ΔH = 0

2. ΔW = 0

3. ΔQ = 0

4. ΔV = 0

Which of the following is not a state function?

1. Internal energy

2. Enthalpy

3. Work

4. Entropy

Among them, intensive property is [AFMC 2004]

1. Mass

2. Volume

3. Surface tension

4. Enthalpy