User:Milton Beychok/Sandbox: Difference between revisions

Revision as of 13:59, 10 June 2008

From the ideal gas law, the density of a gas may be expressed as:

\rho ={\frac {MP}{RT}}

where $R$ is the molar gas constant, $P$ is the pressure, $M$ is the molecular mass, and $T$ is the absolute temperature.

@@ Line 1: / Line 1: @@
-{| class="wikitable" style="text-align:center" width=30%
+===Density of gases===
-|+ Table 2: Air Densities <BR>at Atmospheric Pressure
-! width=18%|Temperature<BR>(&nbsp;°C&nbsp;) !!width=12%|Density<BR>(&nbsp;kg/m³&nbsp;)
+From the [[ideal gas law]], the density of a gas may be expressed as:
-|-
+:<math>\rho = \frac {MP}{RT}</math>
-| - 10 || 1.341
-|-
+where <math>R</math> is the [[molar gas constant]], <math>P</math> is the [[pressure]], <math>M</math> is the [[molecular mass]], and <math>T</math> is the absolute [[temperature]].
-| - 5 || 1.316
-|-
-| 0 || 1.293
-|-
-| + 5 || 1.269
-|-
-| + 10 || 1.247
-|-
-| + 15 || 1.225
-|-
-| + 20 || 1.204
-|-
-| + 25 || 1.184
-|-
-| + 30 || 1.164
-|}