Answers

2015-10-29T13:29:19+05:30
Here,the combination of Boyle's law and Charle's law can be used.
Initial conditions:-
P1=740mm
V1=100ml
T1=27 degreeC
Final conditions:-
P2=740mm
V2=80ml
T2=?

By the equation,
P1V1/T1=P2V2/T2
As P1=P2,
V1/T1=V2/T2
OR, T2=V2T1/V1=(80x27)/100=21.6 degreeC
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