1
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

When the expansion of a gas occurs in vacuum and at constant volume, then

A
$$\Delta U=qV$$
B
$$\Delta U=qp$$
C
$$\Delta H=qV$$
D
$$\Delta H=qp$$
2
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The change in the energy of system if 500 cal of heat energy are added to a system and system does 350 cal of work on the surroundings will be

A
$$-$$150 cal
B
+150 cal
C
+850 cal
D
$$-$$850 cal
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Calculate the difference between C$$_p$$ and C$$_V$$ for 10 moles of an ideal gas

A
83.14 J/K
B
8.314 J/K
C
831.4 J/K
D
0.831 J/K
4
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The value of $$\Delta G^\circ$$ for the phosphorylation of glucose in glycolysis is 13.8 kJ/mol. The value of $$K_C$$ at 298 K is

A
$$7.72\times10^{-4}$$
B
$$5.62\times10^{-4}$$
C
$$4.81\times10^{-3}$$
D
$$3.81\times10^{-3}$$
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