R constant

[Kiran Marla]

How do I know which R to use in the equation deltaG=deltaGnought + RTlnQ

[HannahRobinson3L]

You'd want to use the value 8.314 J*K^-1*mol^-1 for this equation. The easiest way to tell is to look at the units of everything else in the equation and see what needs to be cancelled. Hope this helps.

[Eliana Witham 2H]

You use R= 8.314 J/(Kmol). If you look at the units, we know that delta G and delta G nought are in J/mol. Therefore, RTlnQ needs to be in J/mol, too. When R is in J/(Kmol) and temperature is K, then the final product of RxT is in J/mol, which is what you want.

[derickngo3d]

Usually, look for whetehr Joules are used in the question, and that would mean that you would use 8.314 J/(K x mol.)

[Jiapeng Han 1C]

Typically 8.314JK^-1mol^-1 is used, but it really depends on the units of other variables that are given.

[Muskaan Abdul-Sattar]

Typically, to determine what value of R to use, you look at the units being used. In this scenario, R would equal 8.314 J/(Kmol)!

[Taha 2D]

it will depend on the units given to you in the question. you can use either but its more efficient to use the one matching the questions units so you wont have to convert anything