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When ore containing ZnS is roasted, the ZnS(s) reacts with O2(g) to give ZnO(s) and SO2(g). What is the ΔHo of combustion for 1 mol of ZnS(s)?

 Substance

ΔH°f (kJ/mol)

 ZnS(s)

–202.9

 ZnO(s)

–348.0

 SO2(g)

–296.4



▸ –151.3 kJ/mol

▸ –254.5 kJ/mol

▸ –441.5 kJ/mol

▸ –847.0 kJ/mol

–883.0 kJ/mol

Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
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lizwalkerlizwalker
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