List of top Chemistry Questions on Thermodynamics asked in Maharashtra Class XII

State and explain Hess's law of constant heat summation.

Calculate the work done in oxidation of 2 moles of \(SO_2\) at 298 K, if \(SO_{2(g) + \frac{1}{2}O_{2(g)} \rightarrow SO_{3(g)}\) [Given : R = 8.314 J/K/mol].}

Write statement of second law of thermodynamics.

Write the mathematical equation of first law of thermodynamics for following processes : (a) Isochoric process, (b) Adiabatic process

A system releases 10 kJ of heat and performs 15 kJ of work on the surrounding. Hence the change in internal energy is :