8. Thermochemistry
Thermochemical Equations
21PRACTICE PROBLEM
Lead ions can be precipitated using a solution of bromide ions: Pb2+(aq) + 2 Cl–(aq) → PbCl2(s) ΔH°f = –336.0 kJ/mol
Calculate ΔH for the formation of 5.15 g PbCl2.
Lead ions can be precipitated using a solution of bromide ions: Pb2+(aq) + 2 Cl–(aq) → PbCl2(s) ΔH°f = –336.0 kJ/mol
Calculate ΔH for the formation of 5.15 g PbCl2.