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  2. What is the density of N2 gas at 227°C and 5.00 atm. pressure? (R = ,0.082 L atm K-1 mol--1) (a) 1.40 g/ml (b) 2.81 g/ml (c)3.41 g/m (d)0.29
# Engineering

What is the density of N2 gas at 227°C and 5.00 atm. pressure? (R = ,0.082 L atm K-1 mol--1) (a) 1.40 g/ml (b) 2.81 g/ml (c)3.41 g/m (d)0.29

Answers (1)
A Abhishek Sahu

Ideal gas equation, PV = nRT

n = w/M where w is weight of gas and M is molar mass

PV = w/M (RT)

=> PM = w/V (RT)                    (density, d =w/V)

=> PM = dRT

d = PM/RT

d = 5x28/0.082x500 = 3.41 g/ml

 

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