The work done in an isothermal reversible process for an ideal gas is-

Fill in the blanks:
$(i)$ The process of attaining thermal equilibrium between any two heat-conducting bodies is called the $\dots\dots$ law of thermodynamics.
$(ii)$ The law of thermodynamics is actually the law of $\dots\dots$.
$(iii)$ $A$ thermometer measures temperature according to the $\dots\dots$ law of thermodynamics.

Choose the correct answer. $A$ thermodynamic state function is a quantity

The enthalpy of fusion of ice per mole is approximately $...$ $kJ / mol$.

Under which of the following conditions is the relation $\Delta H = \Delta E + P \Delta V$ valid for a closed system?

$A$ state function is .......