When 300 J of heat given to an ideal gas with C_p=\frac{7}{2} R its temperature raises from 20^{\circ} C to 50^{\circ} C keeping its volume constant. The mass of the gas is (approximately) \_\_\_\_ g. (R=8.314 J \/ mol . K) [24 Jan 2026 Shift 2]

Thermodynamics Part 5

Section: Physics

Question : 7 of 69

Marks: +1, -0

When 300 J of heat given to an ideal gas with Cp=‌

R its temperature raises from 20∘C to 50∘C keeping its volume constant. The mass of the gas is (approximately) ____ g.
(R=8.314J∕mol.K)

[24 Jan 2026 Shift 2]

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