1
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In a process 605 J heat is absorbed by the system and 380 J work is done by the system on surrounding. What is the value of $\Delta$U?

A
$-225$J
B
$-985$J
C
+225 J
D
+985 J
2
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A gas absorbs certain amount of heat and expands by $200 \mathrm{~cm}^3$ against a constant external pressure of $2 \times 10^5 \mathrm{Nm}^{-2}$. What is work done by system?

A
$-$400.3 J
B
$-$40.53 J
C
$-3.947 \mathrm{~J}$
D
$-253.1 \mathrm{~J}$
3
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

For a reaction $$\mathrm{A}+\mathrm{B} \rightarrow$$ products $$\Delta \mathrm{H}$$ is $$-84.2 \mathrm{~kJ}$$ and $$\Delta \mathrm{S}$$ is $$-200 \mathrm{~J} \mathrm{~K}^{-1}$$. Calculate the highest value of temperature so that the reaction will proceed in forward direction.

A
421 K
B
237 K
C
168 K
D
273 K
4
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following thermodynamic properties is a path function?

A
Internal energy
B
Work
C
Entropy
D
Enthalpy
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