You run an experiment in order to empirically find the gas constant, . You find

You know from the literature that

What is the percent error in your experimental value of ?

Suppose that a chemist working in a lab is trying to synthesize caffeine. In doing so, he predicts that he can produce of caffeine. After the chemist finishes synthesizing the caffeine, he weighs it only to find out that are produced. What is the percent yield of caffeine in this synthesis process?

3 mols of are placed in a reactor and react to form as in the above reaction. At equilibrium, there are 1.75 mols of .

What is the percent conversion of ?