The standard reduction potentials are as follows: Cr3+(aq)…

The standard reduction potentials are as follows: Cr3+(aq) + 3 e– → Cr(s);  E° = –0.74 V Pb2+(aq) + 2 e– → Pb(s);  E° = –0.13 V Calculate the standard Gibbs free energy change for the following reaction. 2 Cr(s) + 3 Pb2+ → 3 Pb(s) + 2 Cr3+(aq) Written work required

Consider the following equilibrium. PCl3(g) + Cl2(g) PCl5(…

Consider the following equilibrium. PCl3(g) + Cl2(g) PCl5(g)      ΔH = –92 kJ  The concentration of PCl3 at equilibrium can be increased by: Hint: Is the reaction endothermic or exothermic? Based on this, determine the shift needed to reach equilibrium and what can cause that shift