8. Thermochemistry
Thermochemical Equations
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ANSWERS OPTIONS
A
–0.516 kJ
B
–4.17 kJ
C
–6.22 kJ
D
–10.19 kJ
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.