Galena is the ore from which elemental lead is extracted. In the first step of the extraction process, galena is heated in air to form lead(II) oxide.   2PbS(s) + 3O2(g) → 2PbO(s) + 2SO2(g) ΔH = –827.4 kJ   What amount of heat (in kJ) is liberated if 224 g of Galena (PbS) is converted to lead oxide?

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Galena is the ore from which elemental lead is extracted. In the first step of the extraction process, galena is heated in air to form lead(II) oxide.

 

2PbS(s) + 3O2(g) → 2PbO(s) + 2SO2(g) ΔH = –827.4 kJ

 

What amount of heat (in kJ) is liberated if 224 g of Galena (PbS) is converted to lead oxide?

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