1
TG EAPCET 2024 (Online) 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
At $300 \mathrm{~K}, 3.0$ moles of an ideal gas at 3.0 atm pressure is compressed isothermally to one half of its volume by an external pressure of 6.0 atm . The work done (in kJ ) is (Given, $\left.R=0.082 \mathrm{~L} \mathrm{~atm} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right)(1 \mathrm{~L} \mathrm{~atm}=1013 \mathrm{~J})$
A
7.476
B
11.214
C
3.738
D
14.952
2
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The $\Delta_{f} H^{\theta}$ of $\mathrm{AO}(s), \mathrm{BO}_{2}(g)$ and $A B \mathrm{O}_{3}(s)$ is $-635, x$ and $-1210 \mathrm{~kJ} \mathrm{~mol}^{-1}$ respectively. $\left.\mathrm{ABO}_{3}(s) \rightarrow \mathrm{AO}(s)+\mathrm{BO}_{2}(g): \Delta_{r} H^{\Theta}=175 \mathrm{~kJ} \mathrm{~mol}^{-1}\right)$. What is the value of $x$ (in $\mathrm{kJ} \mathrm{mol}^{-1}$ )?
A
-750
B
+400
C
-400
D
+750
3
TG EAPCET 2024 (Online) 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The standard enthalpy of combustion of C (graphite). $\mathrm{H}_2(g)$ and $\mathrm{CH}_3 \mathrm{OH}(l)$ respectively are $-393,-286$ and $-726 \mathrm{~kJ} \mathrm{~mol}^{-1}$. What is the standard enthalpy of formation of methanol?
A
$-726 \mathrm{~kJ} \mathrm{~mol}^{-1}$
B
$-239 \mathrm{~kJ} \mathrm{~mol}^{-1}$
C
$-96 \mathrm{~kJ} \mathrm{~mol}^{-1}$
D
$+96 \mathrm{~kJ} \mathrm{~mol}^{-1}$
4
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
At 61 K , one mole of an ideal gas of 1.0 L volume expands isothermally and reversibly to a final volume of 10.0 L . What is the work done in the expansion?
A
-11.52 L atm
B
-23.04 L atm
C
-46.08 L atm
D
-5.76 L atm
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