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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.
 one year ago
 one year 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.
 one year ago
 one year ago

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shivam_bhallaBest ResponseYou've already chosen the best response.1
Tell me what you have done till now. How have you approached the problem ??
 one year ago

woleraymondBest ResponseYou've already chosen the best response.1
@shivam_bhalla i really dont ve any idea yet
 one year ago

shivam_bhallaBest ResponseYou've already chosen the best response.1
Tip: Do you know first law of Thermodynamics.?? If yes apply that
 one year ago

woleraymondBest ResponseYou've already chosen the best response.1
U = Q  PV but the question is messing me up, coast isnt clear yet
 one year ago

shivam_bhallaBest ResponseYou've already chosen the best response.1
Ok. 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)??
 one year ago

woleraymondBest ResponseYou've already chosen the best response.1
work done is Pressure times change in volume
 one year ago

shivam_bhallaBest ResponseYou've already chosen the best response.1
Right. Now what is change in volume here??
 one year ago

shivam_bhallaBest ResponseYou've already chosen the best response.1
Yes you are right No tell me What is Q ?
 one year ago

shivam_bhallaBest ResponseYou've already chosen the best response.1
Now tell me What is Q ?
 one year ago

shivam_bhallaBest ResponseYou've already chosen the best response.1
Yes. You gave me the answer :)
 one year ago
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