There are the only two R values you need:
R = 8.314472 J mol^-1 K^-1
Note the units contain J, hence use for energy calculations -nFE° = ΔG = ΔH – TΔS = -RTln K;
rate = Aexp-(Ea/RT) because your energies are in J mol^-1 convert kJ→J, g→mol; and T in K.
R = 0.0820574 L atm mol^-1
For the Ideal Gas Eqn PV = nRT
Note units of L atm mol^-1
So get your Pressure into atm (eg ÷ torr by 760) and V in L (÷ mL by 1000) K; g→mol;
once again T in K = T°C + 273.2 n in mol
The (11) is the standard deviation in the last two numbers; it gives an indication of the experimental
uncertainty in R.