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woleraymond
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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.
 2 years ago
 2 years ago
woleraymond Group Title
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.
 2 years ago
 2 years ago

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shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.1
Tell me what you have done till now. How have you approached the problem ??
 2 years ago

woleraymond Group TitleBest ResponseYou've already chosen the best response.1
@shivam_bhalla i really dont ve any idea yet
 2 years ago

shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.1
Tip: Do you know first law of Thermodynamics.?? If yes apply that
 2 years ago

woleraymond Group TitleBest ResponseYou've already chosen the best response.1
U = Q  PV but the question is messing me up, coast isnt clear yet
 2 years ago

shivam_bhalla Group TitleBest 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)??
 2 years ago

woleraymond Group TitleBest ResponseYou've already chosen the best response.1
work done is Pressure times change in volume
 2 years ago

shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.1
Right. Now what is change in volume here??
 2 years ago

woleraymond Group TitleBest ResponseYou've already chosen the best response.1
i tink its zero
 2 years ago

shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.1
Yes you are right No tell me What is Q ?
 2 years ago

shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.1
Now tell me What is Q ?
 2 years ago

shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.1
Yes. You gave me the answer :)
 2 years ago

shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.1
Welcome :)
 2 years ago
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