Show that roasting lead (2PbS + 3O 2 ? 2 PbO +2 SO 2 ) is an
Question:
Show that roasting lead (2PbS + 3O2? 2 PbO +2 SO2) is an exothermic reaction and compute the free energy of this reaction under standard conditions. See Table
for data.
Transcribed Image Text:
Compound ΔΗ AGƒ (kJ/mol) (kJ/mol) PbO(s) -219.4 -188.6 PbS(s) -98.3 -96.7 SO2(g) -296.8 -300.2
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