Answer to Question #251476 in General Chemistry for Mallorie

Question #251476

Consider the following data.

Mg(s) + S(s) <— —> MgS(s). TriangleH=-598.0 kJ

SO2(g) <— —> S(s) + O2(g) TriangleH= +296.8 kJ

3 Mg(s) + SO2(g) <— —> MgS(s) + 2 MgO(s) TriangleH = -1504.6 kJ

Use Hess’s law to calculate TriangleH for the reaction below.

2 Mg(s) + O2(g) <— —> 2 MgO(s)

1) TriangleH = ____ kJ


1
Expert's answer
2021-10-16T02:01:38-0400

-598+296.8--1504.6

= 1203.4kJ


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