Question

A gas cylinder containing cooking gas can withstand a pressure of 14.9 atm .The pressure gauge of the cylinder indicates 12atm at 27°c .Due to sudden fire in the building the temperature start rising.At what temperature will the cylinder burst

Answer 1

Explanation:

P

1

=12bar,T

1

=27+273=300K

P

2

=14.9 bar,T

2

=?

Applying pressure temperature law,

P

2

P

1

=

T

2

T

1

or T

2

=

P

1

T

1

×P

2

Substituting the values in the above equation,

T

2

=

12

300×14.9

=372.5K

Temperature in

0

C=372.5−273=99.5

∘

C

Hence the cylinder will explode at a temperature 99.5

∘

C

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