Explain a closed system with an example.

Explanation

(i)A system which can exchange only energy but not matter with its surroundings is called a closed system
(ii) Here the boundary is sealed but not insulated.
(iii) Hot water contained in a closed beaker is an example for a closed system.
(iv) In this system heat is transferred to the surroundings but no water vapour this system
(v) A gas contained in a cylinder fitted with a piston constitutes a closed system