Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [N2]eq = 1.5 M, [H2]eq = 1.1 M, [NH3]eq = 0.47 M. N2(g) + 3 H2(g) ⇌ 2 NH3(g)

Consider a reaction that has a positive ΔH and a negative ΔS. Which of the following statements is TRUE?

A reaction occurs via the following sequence of elementary steps. What is the reaction intermediate? 1st step: A + 2B → 2C 2nd step: 2C → D

The rate constant for the first-order decomposition of N2O is 3.40 s-1. What is the half-life of the decomposition?

Write a balanced reaction for which the following rate relationships are TRUE.             Rate =  =  = –  

In a reaction mixture containing only reactants, what is the value of Q?

A graph of 1/[A] vs. t gives a straight line. What are the units of k for this system?

Determine the equilibrium constant for the following reaction at 298 K.             N2(g) + O2(g) → 2 NO(g)     ΔG° = 173.3 kJ

Place the following in order of increasing entropy at 298 K.

What data should be plotted to show that experimental concentration data fit a second-order reaction?