Be sure to answer all parts. Calculate the standard free-energy changes for the following reactions at 25°C:  (a) H2(g) + Br2(l) → 2HBr(g)                                   kJ/mol  (b) 2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(l)                                   kJ/mol

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Chapter1: Chemical Foundations
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Be sure to answer all parts.
 
Calculate the standard free-energy changes for the following reactions at 25°C:
 

(a) H2(g) + Br2(l)
2HBr(g)

                                  kJ/mol
 

(b) 2C2H6(g) + 7O2(g)
4CO2(g) + 6H2O(l)

                                  kJ/mol

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