1
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate heat required to convert 9 g of liquid water to water vapours from following equations.

$$\begin{aligned} & \mathrm{H}_{2(\mathrm{~g})}+\frac{1}{2} \mathrm{O}_{2(\mathrm{~g})} \longrightarrow \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})} \Delta \mathrm{H}=-57 \mathrm{kCal} \\ & \mathrm{H}_{2(\mathrm{~g})}+\frac{1}{2} \mathrm{O}_{2(\mathrm{~g})} \longrightarrow \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})} \Delta \mathrm{H}=-68.3 \mathrm{kCal} \end{aligned}$$

A
5.65 k Cal
B
6.28 k Cal
C
7.05 k Cal
D
9.72 k Cal
2
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

One mole of a gas occupying 3 L volume is expanded against a constant external pressure of 1 bar to a volume of 15 L . Calculate work done by the system

A
$1.200 \times 10^3 \mathrm{~J}$
B
$-2.43 \times 10^3 \mathrm{~J}$
C
$-1.200 \times 10^3 \mathrm{~J}$
D
$2.43 \times 10^3 \mathrm{~J}$
3
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from the following defines enthalpy of a system?

A
Ratio of pressure to volume
B
Product of pressure and volume
C
Internal energy (U) + PV
D
Internal energy (U) - PV
4
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following symbols represent heat of reaction at constant volume?

A
$\Delta \mathrm{H}$
B
$\mathrm{dq}$
C
$\Delta \mathrm{S}$
D
$\Delta \mathrm{U}$
MHT CET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12