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An ideal gas in a thermally insulated vessel at internal pressure = P1, volume = V1 and absolute
temperature = T1 expands irreversibly against zero external pressure, as shown in the diagram. The final
internal pressure, volume and absolute temperature of the gas are P2, V2 and T2, respectively. For this
expansion,
  • a)
    q = 0
  • b)
    T2 = T1
  • c)
    P2V2 = P1V1
  • d)
Correct answer is option 'A,B,C'. Can you explain this answer?
Verified Answer
An ideal gas in a thermally insulated vessel at internal pressure = P1...
Since container is thermally insulated. So, q = 0, and it is a case of free expansion therefore W = 0 and
ΔE = 0
So, T1 = T2
Also, P1V1 = P2V2
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Most Upvoted Answer
An ideal gas in a thermally insulated vessel at internal pressure = P1...
Since container is thermally insulated. So, q = 0, and it is a case of free expansion therefore W = 0 and
ΔE = 0
So, T1 = T2
Also, P1V1 = P2V2
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An ideal gas in a thermally insulated vessel at internal pressure = P1, volume = V1 and absolutetemperature = T1 expands irreversibly against zero external pressure, as shown in the diagram. The finalinternal pressure, volume and absolute temperature of the gas are P2, V2 and T2, respectively. For thisexpansion,a)q = 0b)T2 = T1c)P2V2 = P1V1d)Correct answer is option 'A,B,C'. Can you explain this answer?
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