Which of the following property of a system can be changed by transfer of heat from the surrounding to the system or vice-versa without expenditure of work?

Question

Which of the following property of a system can be changed by transfer of heat from the surrounding to the system or vice-versa without expenditure of work? (A) Enthalpy (B) Internal energy (C) Both (a) and (b) (D) None of these

Tardigrade Admin · Accepted Answer

The internal energy of a system can be changed by transfer of heat from the surroundings to the system or vice-versa without expenditure of work. This exchange of energy which is a result of temperature difference is called heat, (q).

Q. Which of the following property of a system can be changed by transfer of heat from the surrounding to the system or vice-versa without expenditure of work?

Enthalpy

Internal energy

Both (a) and (b)

None of these

The internal energy of a system can be changed by transfer of heat from the surroundings to the system or vice-versa without expenditure of work. This exchange of energy which is a result of temperature difference is called heat, $(q)$ .