Author: Anonymous

Consider the following reaction at equilibrium. What effect will adding CO2 have on the system? CO2(g) + C(graphite) ⇌ 2 CO(g)

Calculate the pH of a 0.200 M NaCN solution. The Ka for HCN is 4.9 × 10-10.

Based on the information in the table of standard reduction potentials below, calculate for. Half-reaction E° +1.80 V +1.50 V +0.771 V +0.535 V −0.124 V −1.66 V −2.37 V −2.93 V

Consider the following reaction at equilibrium. What effect will increasing the pressure of the reaction mixture have on the system? CuS(s) + O2(g) ⇌ Cu(s) + SO2(g)

Consider the reaction , for which ΔH ° = +77.2 kJ/mol. Which of the following statements regarding its temperature dependence is true?

For the reaction X + Y → Z, the reaction rate is found to depend only upon the concentration of X. A plot of 1/X versus time gives a straight line.   What is the rate law for this reaction?

What is the pH of a 0.100 M NH3 solution that has Kb = 1.8 × 10-5? The equation for the dissociation of NH3 is NH3(aq) + H2O(l) ⇌ NH4+(aq) + OH-(aq).

Which is the weakest acid?  

Which is the weakest acid?  

Consider the following reaction at equilibrium. What effect will reducing the volume of the reaction mixture have on the system? CuS(s) + O2(g) ⇌ Cu(s) + SO2(g)