1
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following processes exhibits increase in internal energy?

A
Adiabatic compression of gas.
B
Adiabatic expansion of gas.
C
Isothermal expansion of gas.
D
Isothermal compression of gas.
2
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

One mole of an ideal gas performs $$900 \mathrm{~J}$$ of work on surrounding. If internal energy increases by $$625 \mathrm{~J}$$, find the value of $$\Delta \mathrm{H}$$.

A
$$-275 \mathrm{~J}$$
B
$$200 \mathrm{~J}$$
C
$$-150 \mathrm{~J}$$
D
$$525 \mathrm{~J}$$
3
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following temperature values in Fahrenheit $$\left({ }^{\circ} \mathrm{F}\right)$$ is equal to $$50^{\circ} \mathrm{C}$$ ?

A
$$90^{\circ} \mathrm{F}$$
B
$$100^{\circ} \mathrm{F}$$
C
$$110^{\circ} \mathrm{F}$$
D
$$122{ }^{\circ} \mathrm{F}$$
4
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the work done in the following reaction at $$300 \mathrm{~K}$$ and at constant pressure.

$$\left(\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right)$$

$$4 \mathrm{HCl}_{(\mathrm{g})}+\mathrm{O}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{Cl}_{2(\mathrm{~g})}+2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}$$

A
$$-7482 \mathrm{~J}$$
B
$$-4988 \mathrm{~J}$$
C
$$2494 \mathrm{~J}$$
D
$$3200 \mathrm{~J}$$
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