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
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
3
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The molar heat of fusion and vaporisation of benzene are 10.9 and $31.0 \mathrm{~kJ} \mathrm{~mol}^{-1}$ respectively. The changes in entropy for the solid $\rightarrow$ liquid and liquid $\rightarrow$ vapour trasitions for benzene are $x$ and $y, \mathrm{JK}^{-1} \mathrm{~mol}^{-1}$, respectively. The value of $(y-x)$ (in $\mathrm{J} \mathrm{K}^{-1} \mathrm{~mol}^{-1}$ ) is (At 1 atm benzene melts at $5.5^{\circ} \mathrm{C}$ and boils at $80^{\circ} \mathrm{C}$ )
A
87.8
B
48.7
C
39.1
D
28.7
4
AP EAPCET 2024 - 20th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Observe the following reaction,

$$ 2 A_2(g)+B_2(g) \xrightarrow{T(\mathrm{~K})} 2 A_2 B(g)+600 \mathrm{~kJ} $$

The standard enthalpy of formation $\left(\Delta_f H^{\ominus}\right)$ of $A_2 B(g)$ is

A
$600 \mathrm{~kJ} \mathrm{~mol}^{-1}$
B
$300 \mathrm{~kJ} \mathrm{~mol}^{-1}$
C
$-300 \mathrm{~kJ} \mathrm{~mol}^{-1}$
D
$-600 \mathrm{~kJ} \mathrm{~mol}^{-1}$
AP EAPCET 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