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Question

A car tyre has air at 1.5 atm at 300 K.If P increases to 1.75 atm with volume same, the temperature will be ____


A
3500C
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B
350K
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C
3000C
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D
300K
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Solution

The correct option is B 350K
PV = nRT
Since n and R are constant, we get
PVT = constant
so, P1V1T1=P2V2T2
Here,
P1=1.5atm
V1=V2
T1=300K
P2=1.75atm
T2=?
Putting all the values, we get :
T2=(P2V2P1V1)T1

T2=1.751.5×300

=350 K

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