Calculate the standard entropy change for the reaction 2Mg(s)+O2(g)→2MgO(s) using the data from the following table:...

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Question

Calculate the standard entropy change for the reaction 2Mg(s)+O2(g)→2MgO(s) using the data from the following table:...

Calculate the standard entropy change for the reaction

2Mg(s)+O₂(g)→2MgO(s)

using the data from the following table:

Substance	△ H_f(kJ/mol)	△G_f (kJ/mol)	S⁰ [J/(K/mol)]
Mg(s)	0.00	0.00	32.70
O2(g)	0.00	0.00	205.0
MgO(s)	-602.0	-569.6	27.00

Express your answer to four significant figures and include the appropriate units.

science chemistry

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Answer 1

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Answer #1

deltaS0= 2*deltaS0(MgO) - [2*deltaS0(Mg) + deltaS0(O2)]

=2*27 - [2*32.7 + 205]

= - 216.4 J/K

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Answer 2

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Calculate the standard entropy change for the reaction 2Mg(s)+O2(g)→2MgO(s) using the data from the following table:...