b,c and #2.

1. Consider the following data for the hypothetical reaction 2A(22=> 3B(aq) Time, min. Moles of A 0 .100 120. 40. .067 80. .045 160. .020 .030 a. Calculate the number of moles of B at 40. minutes, then at 120. minutes. b. Is the reaction rate increasing, decreasing, not changing, or something else as the reaction proceeds? c. Describe how to determine the instantaneous reaction rate at 75 minutes. 2. For the following reaction: N2 + 3H2 => 2 NH3 a. How is the rate of appearance of NH3 related to the rate of disappearance of N? b. How is the rate of appearance of NH3 related to the rate of disappearance of H