CSIR NET
Likhit kaushik Asked a Question
May 3, 2021 3:55 pmpts 30 pts
  • CSIR NET
  • Physical Sciences

When a pertect gas is supposed to expand freely against vacuum in a insulated vessel, the gas has urdergone- (a) an increase in pressure (b) a change in tempera

when a pertect gas is supposed to expand freely against vacuum in a insulated vessel, the gas has urdergone- (a) An increase in pressure (b) A change in temperature (d) A change in phase (c) Achange in entropy
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  • Monika thankyou
    option (a) is correct When an ideal gas expands into the vacuum it does zero work. Since the gas does not have to expend any internal energy for the expansion, the term free expans...
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    Likhit kaushik
    Then why entropy is not changing?
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