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anonymous
 4 years ago
Calculate how much heat is needed to be supplied to a gas at a pressure of 1.25 x10^5 Pa, such that the pressure increases by 25 per cent at constant volume, and the internal energy by 120J.
anonymous
 4 years ago
Calculate how much heat is needed to be supplied to a gas at a pressure of 1.25 x10^5 Pa, such that the pressure increases by 25 per cent at constant volume, and the internal energy by 120J.

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Tell me what you have done till now. How have you approached the problem ??

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0@shivam_bhalla i really dont ve any idea yet

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Tip: Do you know first law of Thermodynamics.?? If yes apply that

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0U = Q  PV but the question is messing me up, coast isnt clear yet

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Ok. You are right. Now We have to find Q>Heat supplied It is given that change in internal energy ( U ) = 120 J Now we have to find W? Now tell me the formula for W(work done)??

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0work done is Pressure times change in volume

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Right. Now what is change in volume here??

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Yes you are right No tell me What is Q ?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Now tell me What is Q ?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Yes. You gave me the answer :)
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