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haridas_mandal
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two glass bulbs A &B of volume V , 2V respectively are connected by a narrow capilary tube. The bulbs contain gas at temp T and Pr P. Now the temp of bulb A is doubled and that of B is tripled. The final number of moles of gas in bulb A is : 9 options 3/2 PV/RT, 5/7 PV/RT, 12/7 PV/RT & 9/7 PV /RT.
 2 years ago
 2 years ago
haridas_mandal Group Title
two glass bulbs A &B of volume V , 2V respectively are connected by a narrow capilary tube. The bulbs contain gas at temp T and Pr P. Now the temp of bulb A is doubled and that of B is tripled. The final number of moles of gas in bulb A is : 9 options 3/2 PV/RT, 5/7 PV/RT, 12/7 PV/RT & 9/7 PV /RT.
 2 years ago
 2 years ago

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haridas_mandal Group TitleBest ResponseYou've already chosen the best response.0
Pl explain
 2 years ago

haridas_mandal Group TitleBest ResponseYou've already chosen the best response.0
It is 9/7 PV/RT as per the printed question paper in front of me..
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
hold on ... I may be wrong.
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
the volume is same and since the tubes are connected the pressure is also same. the total no of moles is \[ {3 PV \over RT}\]
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
now the gases are heated with temperature \( 2T \) and \( 3T \), the new pressure is be \( P_1\) Now, \[ {P_1 V \over R 2T} + {P_1 2V \over R 3T} = {3PV \over RT}\\ P_1 = {18P \over 7} \] The number of moles in tube A is given by \( {P_1 V \over R 2T}\) \[ {P_1 V \over R 2T} = {18 P V \over 7 *2 RT} = {9 \over 7 }.. \]
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
I guess the last option is correct.
 2 years ago

haridas_mandal Group TitleBest ResponseYou've already chosen the best response.0
I think that's the correct answer. Thanks
 2 years ago
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