1
MHT CET 2023 9th May Morning Shift
+1
-0

Calculate the value of $$\Delta G$$ for following reaction at $$300 \mathrm{~K}$$.

\begin{aligned} & \mathrm{H}_2 \mathrm{O}_{(\mathrm{s})} \longrightarrow \mathrm{H}_2 \mathrm{O}_{(l)} \\ & \left(\Delta \mathrm{H}=7 \mathrm{~kJ}, \Delta \mathrm{S}=24.8 \mathrm{~J} \mathrm{~K}^{-1}\right) \end{aligned}

A
$$0.74 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
B
$$-0.82 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
C
$$0.21 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
D
$$-0.44 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
2
MHT CET 2022 11th August Evening Shift
+1
-0

What is the value of temperature in degree Celsius at absolute zero ?

A
$$273.15^{\circ} \mathrm{C}$$
B
$$-373.15^{\circ} \mathrm{C}$$
C
$$0^{\circ} \mathrm{C}$$
D
$$-273.15^{\circ} \mathrm{C}$$
3
MHT CET 2022 11th August Evening Shift
+1
-0

Calculate the work done when 2 moles of an ideal gas expand from a volume of $$5 \mathrm{~dm}^3$$ to $$7 \times 10^{-3} \mathrm{~m}^3$$ against a constant external pressure of $$2.02 \times 10^5 \mathrm{~Nm}^{-2}$$ ?

A
20.2 J
B
$$-$$404 J
C
202 J
D
$$-$$35.0 J
4
MHT CET 2022 11th August Evening Shift
+1
-0

What is the heat of formation of $$\mathrm{HCl}_{(\mathrm{g})}$$ from following equation?

$$\mathrm{H}_{2(\mathrm{~g})}+\mathrm{Cl}_{2(\mathrm{g})} \rightarrow 2 \mathrm{HCl}_{(\mathrm{g})} \Delta_{\mathrm{f}} \mathrm{H}=-194 \mathrm{~kJ}$$

A
$$-388 \mathrm{~kJ}$$
B
$$-194 \mathrm{~kJ}$$
C
$$-97 \mathrm{~kJ}$$
D
$$194 \mathrm{~kJ}$$
EXAM MAP
Medical
NEETAIIMS