From f60e9837886f74a6d7e698aaa7f572c818340594 Mon Sep 17 00:00:00 2001 From: Alvie Rahman Date: Tue, 28 Dec 2021 19:49:05 +0000 Subject: [PATCH] Add SI units for specific and molar gas constant --- .../thermodynamics.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/uni/mmme/1048_thermodynamics_and_fluid_mechanics/thermodynamics.md b/uni/mmme/1048_thermodynamics_and_fluid_mechanics/thermodynamics.md index 524dff9..b779009 100755 --- a/uni/mmme/1048_thermodynamics_and_fluid_mechanics/thermodynamics.md +++ b/uni/mmme/1048_thermodynamics_and_fluid_mechanics/thermodynamics.md @@ -118,6 +118,14 @@ c_p &= \frac{\gamma}{\gamma -1} R +### The Specfic and Molar Gas Constant + +The molar gas constant is represented by $\tilde R = 8.31 \text{JK}^{-1}\text{mol}^{-1}$. + +The specific gas constant is $R = \frac{\tilde{R}}{M}$. +The SI unit for the specific gas constant is J kg$^{-1}$ mol$^{-1}$. +The SI unit for molar mass is kg mol$^{-1}$. + ## Thermodynamic Processes and Cycles When a thermodynamic system changes from one state to another it is said to execute a *process*.