1
MHT CET 2021 21th September Morning Shift
+1
-0

Find the value of $$-197^\circ$$C temperature in Kelvin.

A
47 K
B
76 K
C
470 K
D
760 K
2
MHT CET 2021 21th September Morning Shift
+1
-0

A gas is allowed to expand in an insulated container against a constant external pressure of 2.5 atm from $$2.5 \mathrm{~L}$$ to $$4.5 \mathrm{~L}$$, the change in internal energy of the gas in joules is

A
$$-836.3 \mathrm{~J}$$
B
$$-1136.2 \mathrm{~J}$$
C
$$-450 \mathrm{~J}$$
D
$$-506.5 \mathrm{~J}$$
3
MHT CET 2021 21th September Morning Shift
+1
-0

What is the work done when a gas is compressed from 2.5 $$\times$$ 10$$^{-2}$$ m$$^3$$ to 1.3 $$\times$$ 10$$^{-2}$$ m$$^3$$ at constant external pressure of 4.05 bar?

A
4050 J
B
4400 J
C
4200 J
D
4860 J
4
MHT CET 2021 20th September Evening Shift
+1
-0

Calculate heat of formation of $$\mathrm{HCl}$$ gas from following reaction.

$$\mathrm{H}_{2(\mathrm{~g})}+\mathrm{Cl}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{HCl}_{(\mathrm{g})} ; \Delta \mathrm{H}=-194 \mathrm{~kJ}$$

A
$$-143 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
B
$$-286 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
C
$$-92 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
D
$$-97 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
MHT CET Subjects
Physics
Mechanics
Optics
Electromagnetism
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
Mathematics
Algebra
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