1
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
What would be the amount of heat absorbed in the cyclic process shown below?

BITSAT 2024 Chemistry - Thermodynamics Question 1 English

A
$ 5 \pi \mathrm{~J} $
B
$ 15 \pi \mathrm{~J} $
C
$ 25 \pi \mathrm{~J} $
D
$ 100 \pi \mathrm{~J} $
2
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

The temperature of $$K$$ at which $$\Delta G=0$$, for a given reaction with $$\Delta H=-20.5 \mathrm{~kJ} \mathrm{~mol}^{-1}$$ and $$\Delta S=-50.0 \mathrm{~JK}^{-1} \mathrm{~mol}^{-1}$$ is

A
$$-410$$
B
410
C
2.44
D
$$-2.44$$
3
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

A mixture of two moles of carbon monoxide and one mole of oxygen, in a closed vessel is ignited to convert the carbon monoxide to carbon dioxide. If $$\Delta H$$ is the enthalpy change and $$\Delta E$$ is the change in internal energy, then

A
$$\Delta H>\Delta U$$
B
$$\Delta H<\Delta U$$
C
$$\Delta H=\Delta U$$
D
the relationship depends on the capacity of the vessel
4
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

The value of enthalpy change $$(\Delta H)$$ for the reaction $$\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}(l)+3 \mathrm{O}_2(\mathrm{~g}) \longrightarrow 2 \mathrm{CO}_2(\mathrm{~g})+ 3 \mathrm{H}_2 \mathrm{O}(l)$$, at $$27^{\circ} \mathrm{C}$$ is $$-1366 \cdot 5 \mathrm{~kJ} \mathrm{~mol}^{-1}$$. The value of internal energy change for the above reaction at this temperature will be

A
$$-1371.5~\mathrm{kJ~mol^{-1}}$$
B
$$-1369.0~\mathrm{kJ~mol^{-1}}$$
C
$$-1364.0~\mathrm{kJ~mol^{-1}}$$
D
$$-1361.5~\mathrm{kJ~mol^{-1}}$$
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