Q.

A gas cylinder containing cooling gas can withstand a pressure of 14.9 atm. The pressure gauze of the cylinder indicates 12 atm at 27°C. Due to sudden fire in the building its temperature starts rising. At what temperature the cylinder will burst?

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a

350 K

b

353.2 K

c

372.5

d

325.5

answer is C.

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Detailed Solution

Since volume of cylinder is constant, the gas obeys Gay-Lussac's law.P1=12atm;T1=27+273=300K;P2=14.9atm;T2=?P1T1=P2T2;T2=P2T1P1=14.9atm×300K12atm=372.5K
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