Hydrogen density
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That expert could help calculate the density of hydrogen at 2.0 MPa and 40 degrees Celsius
This post was last edited by ylb913 on 2016-4-16 at 17:12. Algorithm 1: Since PV = nRT and n = G/M, we have PV = (G/M)RT. Therefore, ρ = G/V = PM/RT = 21*2/(0.082*313) = 1.64 kg/m³. Algorithm 2: The density of hydrogen under standard conditions is 2/22.4 = 0.089 kg/m³. The density at 21 kg/m³ absolute pressure and 313 K is 0.089*21*273/313 = 1.64 kg/m³; thus, ρ1 = (P1T0/P0T1)*ρ0