A.P. Study Guide. Go Lions!. Lauren Crawford Mr. Tebow. What Symbols Mean. R= Gas Constant M = Molarity = M olal freezing point = M olal boiling point K= Kelvin m = Molality m= Mass i = van’t Hoff Factor = O smotic Pressure(not 3.14) r= Rate of Effusion N= Normality
1 atm = 760 mmHg = 760 torr =
1.0132510⁵ Pa = 101.325 kPa
*The R Constant is a stabilizing number that is used in the IDEAL-GAS Equation depending on the units that PRESSURE is measured in.
atm Gas Constant R is 0.0821 L atm mol
torr/ mmHg Gas Constant R is 64.4 torrmol