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Thermal properties of Matter

Change of state

Two moles of ideal helium gas are in a rubber balloon at 30^{}

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Two moles of ideal helium gas are in a rubber balloon at $3 0^{\circ} C$ . The balloon is fully expandable and can be assumed to require no energy in its expansion. The temperature of the gas in the balloon is slowly changed to $3 5^{\circ} C$ . The amount of heat required in raising the temperature is nearly (take R =8.31 $J / mol . K$ )

62 J

104 J

208 J

124 J

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Updated on: Aug 1, 2023

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Two moles of ideal helium gas are in a rubber balloon at

3 0^{\circ} C

. The balloon is fully expandable and can be assumed to require no energy in its expansion. The temperature of the gas in the balloon is slowly changed to

3 5^{\circ} C

. The amount of heat required in raising the temperature is nearly (take R =8.31

J / mol . K

)

7 mins ago

Discuss this question LIVE

7 mins ago

Text solutionVerified

For isobaric process.

Δ Q = nC_{p} Δ T

= 2 \times \frac{5}{2} R \times (35 - 30)

= 208 J

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Question Text	Two moles of ideal helium gas are in a rubber balloon at $3 0^{\circ} C$ . The balloon is fully expandable and can be assumed to require no energy in its expansion. The temperature of the gas in the balloon is slowly changed to $3 5^{\circ} C$ . The amount of heat required in raising the temperature is nearly (take R =8.31 $J / mol . K$ )
Updated On	Aug 1, 2023
Topic	Thermal properties of Matter
Subject	Physics
Class	Class 11
Answer Type	Text solution:1 Video solution: 5
Upvotes	601
Avg. Video Duration	7 min

Text solutionVerified

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