1
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
What is the ratio of kinetic energies of 3 g of hydrogen and 4 g of oxygen at a certain temperature?
A
$3: 4$
B
$6: 1$
C
$12: 1$
D
$1: 12$
2
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
What is the kinetic energy (in $\mathrm{J} \mathrm{mol}^{-1}$ ) of one mole of an ideal gas (molar mass $=0.1 \mathrm{~kg} \mathrm{~mol}^{-1}$ ) if its rms velocity is $4 \times 10^2 \mathrm{~ms}^{-1}$ at $T(\mathrm{~K})$ ?
A
$2 \times 10^5$
B
$8 \times 10^4$
C
$8 \times 10^2$
D
$8 \times 10^3$
3
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
At STP ' $x$ ' $g$ of a metal hydrogen carbonate $\left(M \mathrm{HCO}_3\right)$ (molar mass $84 \mathrm{~g} \mathrm{~mol}^{-1}$ ) on heating gives $\mathrm{CO}_2$, which can completely react with 0.2 moles of MOH (molar mass $40 \mathrm{~g} \mathrm{~mol}^{-1}$ ) to give $\mathrm{MHCO}_3$. The value of ' $x^{\prime}$ is
A
67.2
B
33.6
C
11.2
D
22.4
4
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The volume of an ideal gas contracts from 10.0 L to 2.0 L under an applied pressure of 2.0 atm . During contraction the system also evolved 900 J of heat. The change in internal energy (in J ) involved in the system is ( $1 \mathrm{~L} \mathrm{~atm}=101.3 \mathrm{~J}$ )
A
720.8
B
360.4
C
1620.8
D
810.4
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