Changes

is the slope of the line versus P at the point of the review.

is the slope of the line versus P at the point of the review.

===<big>Viscosity Gas</big><big></big>===

===Viscosity Gas===

Viscosity gas in P and T identified can be expressed by :

Viscosity gas in P and T identified can be expressed by :

[[File:Formluae 12.png|200px|thumbnail|center]]

: <math>\mu_{P, T} = \mu_1 \left ( \frac{\mu}{\mu_1} \right )</math>

μ1 is the viscosity for 1 atm

μ1 is the viscosity for 1 atm