A sample of hydrogen gas occupies a volume of 300 ml at 1 2 bar pressure and 50 C - Chemistry - States of Matter

Question

A sample of hydrogen gas occupies a volume of 300 ml at 1 2 bar
pressure and 50 C Calculate its volume at 0 45 bar pressure and 700
C ​

Vartika Jain · Accepted Answer

Dear Student,

We know that, PV= nRTSo, n=PVRTn will be constant So, P1V1RT1=P2V2RT2or, P1V1T1=P2V2T2P1= 1
2 bar= 1 2 atmV1=300 ml = 0
3 LT1= 50°C= 50+273=323 KP2=0 45 bar=0
45 atmT2= 700°C= 700+273=973 KSo, V2=P1V1T2T1P2=1
2×0 3×973323×0 45=2 40 L

A sample of hydrogen gas occupies a volume of 300 ml at 1.2 bar pressure and 50 C. Calculate its volume at 0.45 bar pressure and 700 C.​

A sample of hydrogen gas occupies a volume of 300 ml at 1.2 bar pressure and 50 C. Calculate its volume at 0.45 bar pressure and 700 C.