The first step in the industrial recovery of zinc from the zinc sulfide ore is roasting, that

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The first step in the industrial recovery of zinc from the zinc sulfide ore is roasting, that is, the conversion of ZnS to ZnO by heating:
2ZnS(s) + 3O2(g) → 2ZnO(s) 2SO2(g)
(H = -879 kJ/mol
Calculate the heat evolved (in kJ) per gram of ZnS roasted?
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Chemistry

ISBN: 978-0077274313

10th edition

Authors: Raymond Chang

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