Question

What is the density of N2 gas (molar mass: 28 g/mol), at 400 K and 2 atm?

Answer 1

Density= 1.7g/dm3

Step-by-step explanation:

Applying

P×M= D×R×T

P= 2atm, Mm= 28, D=? R= 0.082, T= 400K

2×28= D×0.082×400

D= (2×28)/(0.082×400)

D= 1.7g/dm3