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Adiabatice xpansions of an ideal gas is accompanied by [1999]
  • a)
    decrease in ΔE
  • b)
    increase in temperature
  • c)
    decrease in ΔS
  • d)
    no change in anyone of the a bove properties
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Adiabatice xpansions of an ideal gas is accompanied by [1999]a)decreas...
ΔE = ΔQ–W
For adiabatic expansion,ΔQ = 0
⇒  ΔE = –W
The negative sign shows decrease in Internal energy, which is equal to the work done on the system by the surroundings.
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Most Upvoted Answer
Adiabatice xpansions of an ideal gas is accompanied by [1999]a)decreas...
Adiabatic expansion causes cooling. ∆Q=0. ∆U is -ve .ie, temperature decreases
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Community Answer
Adiabatice xpansions of an ideal gas is accompanied by [1999]a)decreas...
Temperature and increase in volume
b)increase in temperature and decrease in volume
c)increase in temperature and increase in volume
d)decrease in temperature and decrease in volume
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Adiabatice xpansions of an ideal gas is accompanied by [1999]a)decrease in ΔEb)increase in temperaturec)decrease in ΔSd)no change in anyone of the a bove propertiesCorrect answer is option 'A'. Can you explain this answer?
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