Question

In thermodynamic process presuure of a fixed mass os a gas is changed in such a manner that the gas releases 20j of the heat when 8j of eork was done on the gas

Answer 1

In thermodynamics, a reversible process is a process whose direction can be "reversed" by inducing infinitesimal changes to some property of the system via its surroundings. Throughout the entire reversible process, the system is in thermodynamic equilibrium with its surroundings.