A sample of gas occupies 10.0 L at 100.0 torr and 27.0C. Calculate the pressure if the temperature is changed to 127C while the volume remains constant?(133torr)

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gay -lussac's law

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Answer 1 · 2018-07-30T05:55:20

The final pressure is #=133.3 "torr"#

#" Pressure "/"Temperature (K)"=" Constant "#

When the volume is kept constant.

#P_1/T_1=P_2/T_2#

The initial pressure is #P_1=100 " torr"#

The initial temperature is #T_1=27^@C=273+27=300K#

The final temperature is #T_2=127^@C=273+127=400K#

The final pressure is

#P_2=T_2/T_1*P_1=400/300*100=133.3 "torr"#