1
JEE Main 2022 (Online) 28th June Morning Shift
Numerical
+4
-1
Change Language

The total internal energy of two mole monoatomic ideal gas at temperature T = 300 K will be _____________ J. (Given R = 8.31 J/mol.K)

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2
JEE Main 2022 (Online) 27th June Evening Shift
Numerical
+4
-1
Change Language

A diatomic gas ($$\gamma$$ = 1.4) does 400J of work when it is expanded isobarically. The heat given to the gas in the process is __________ J.

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3
JEE Main 2022 (Online) 27th June Morning Shift
Numerical
+4
-1
Out of Syllabus
Change Language

In a carnot engine, the temperature of reservoir is 527$$^\circ$$C and that of sink is 200 K. If the work done by the engine when it transfers heat from reservoir to sink is 12000 kJ, the quantity of heat absorbed by the engine from reservoir is ______________ $$\times$$ 106 J.

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4
JEE Main 2022 (Online) 26th June Evening Shift
Numerical
+4
-1
Change Language

A geyser heats water flowing at a rate of 2.0 kg per minute from 30$$^\circ$$C to 70$$^\circ$$C. If geyser operates on a gas burner, the rate of combustion of fuel will be ___________ g min$$-$$1.

[Heat of combustion = 8 $$\times$$ 103 Jg$$-$$1, Specific heat of water = 4.2 Jg$$-$$1 $$^\circ$$C$$-$$1]

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