Answer to Question #229102 in General Chemistry for Mickayla Ennis

Question #229102

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) Δ H = -827.4 kJ

What mass of galena is converted to lead oxide if 975 kJ of heat are liberated?

  1. 203 g
  2. 282 g
  3. 406 g
  4. 564 g
1
Expert's answer
2021-08-25T06:37:49-0400

2) 282g


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