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in Chemical thermodynamics by (64.7k points)

A cylindrical container of volume 44.8 liters is containing equal no. of moles (in integer no.) of an ideal monoatomic gas in two sections A and B separated by an adiabatic frictionless piston as shown in figure. The initial temperature and pressure of gas in both section is 27.3 K and 1 atm. Now gas in section ‘A’ is slowly heated till the volume of section B becomes (1/8)th of initial volume.

Given: R = 2 cal/mol-K, Cvm of monoatomic gas = 3/2 R At 1 atm & 0⁰C ideal gas occupy 22.4 liter.

What will be the final pressure in container B? 

(A) 2 atm 

(B) 8 atm 

(C) 16 atm 

(D) 32 atm

1 Answer

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Best answer

Correct option (B) 8 atm   

Explanation:

T = 27.3 k P = 1 atm

ln container B 

Vf = V/8 Vi = PV = const.

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