List of top Chemistry Questions on Thermodynamics asked in MHT CET

Which of the following processes exhibits the decrease in internal energy of a system?
Calculate the change in internal energy if an ideal gas expands from \(0.5 \text{dm}^3\) to \(3.5 \text{dm}^3\) at constant pressure 2 bar by absorbing 1800 J heat energy.
A gas absorbs \(120\) J of heat and expands by \(300\times 10^{-6} \text{m}^3\) against a constant external pressure of \(2\times 10^5 \text{Nm}^{-2}\). What will be the change in internal energy of the system ?
Which of the following properties of a system depends upon the amount of matter and path?
In which of the following processes the internal energy of system remain constant?
Which of the following processes exhibits, \(\Delta U = 0\)?
Which of the following reactions exhibits decrease in entropy?
Which from following polymers is biodegradable?
Which from following mixtures obeys Raoult's law?
Identify pair of complexes that exhibits solvate isomerism?
What is IUPAC name of the following compound?
Which from following process involves zero work done?
Which from following compounds has lowest \(\text{pK}_\text{b}\) value?
Which of the following reactions exhibits decrease in entropy?
Identify pair of complexes that exhibits solvate isomerism?
What is IUPAC name of the following compound?
What is the change in internal energy for $2\text{CO}_{(g)} + \text{O}_{2(g)} \rightarrow 2\text{CO}_{2(g)}$ at $25^\circ\text{C}$ ?
( $\text{R} = 8.314 \text{ J K}^{-1} \text{ mol}^{-1}$, $\Delta H = -560 \text{ kJ}$ )}
The entropy of vaporisation of benzene is $85 \text{ J K}^{-1} \text{ mol}^{-1}$. When 117 g of benzene vaporises at its boiling point, what is entropy change of surrounding if process is at equilibrium?
A system gives out x J of heat and does y J of work on it's surrounding. What is the internal energy change?
A system does 394 J of work on surrounding by absorbing 701 J heat. What is the change in internal energy of the system?
In a process, a system performs $238\ \mathrm{J}$ of work on it's surrounding by absorbing $54\ \mathrm{J}$ of heat. What is the change in internal energy of system during this operation?
When $\mathrm{x}\ \mathrm{kJ}$ heat is provided to a system, work equivalent to $\mathrm{y}\ \mathrm{J}$ is done on it. What is internal energy change during this operation?
What is the value of \(\Delta H - \Delta U\) for the formation of 2 moles of ammonia from \(H_{2(g)}\) and \(N_{2(g)}\)?
Calculate difference between $\Delta H$ and $\Delta U$ for following reaction at $25^\circ \text{C}$?
$\text{C}_2\text{H}_{6(g)} + 3.5\text{O}_{2(g)} \rightarrow 2\text{CO}_{2(g)} + 3\text{H}_2\text{O}_{(l)}$
Which among the following is NOT an extensive property?