Q.

A gas has a compressibility factor of 0.5 and a molar volume of    at a temperature of 800 K and pressure x atm. If it shows ideal gas behaviour at the same temperature and pressure, the molar volume will be y  dm3mol1.  The value of 𝐱/𝐲 is ___.[Use: Gas constant, R=8×102LatmK1mol1 ]
 

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answer is 100.

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Detailed Solution

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PV=ZRT
P=0.5×RT0.4=1.25RT=x
1.25RT×Vm=RT Vm=11.25=y
xy=1.25RT11.25=(1.25)2RT=8×102×800×1.252=100

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A gas has a compressibility factor of 0.5 and a molar volume of    at a temperature of 800 K and pressure x atm. If it shows ideal gas behaviour at the same temperature and pressure, the molar volume will be y  dm3mol−1.  The value of 𝐱/𝐲 is ___.[Use: Gas constant, R=8×10−2 L atm K−1mol−1 ]