Define the first step in preparation of the metal lead

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Reference no: EM13659194

Define the first step in preparation of the metal lead from its ore is to roast the galena ore to make lead oxide

2PbS(s) + 3O2(g) =>2SO2(g) +2PbO(s)

Compute the standard enthalpy change for this reaction utilizing standard enthalpies of formation.

1. -857.9 Joules/mol PbO formed

2. -799.4 Joules/mol PbO formed

3. -602.2 Joules/mol PbO formed

4. -513.7 Joules/mol PbO formed

5. -417.9 Joules/mol PbO formed

Reference no: EM13659194

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