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Determine the heat of reaction for the oxidation of iron, 4 Fe(s) + 3 O2(g) 2 Fe2O3(s) given the thermochemical equations below. 2 Fe(s) + 6 H2O(l) 2 Fe(OH)3(s) + 3 H2(g) DH = +321.8 kJ 2 H2O(l) 2 H2(g) + O2(g) DH = +571.7 kJ Fe2O3(s) + 3 H2O(l) 2 Fe(OH)3(s) DH = +288.6 kJ Show all work and calculate to the correct number of sig figs.

Determine the heat of reaction for the oxidation of iron, 4 Fe(s) + 3 O2(g) 2 Fe2O3(s) given the thermochemical equations below. 2 Fe(s) + 6 H2O(l) 2 Fe(OH)3(s) + 3 H2(g) DH = +321.8 kJ 2 H2O(l) 2 H2(g) + O2(g) DH = +571.7 kJ Fe2O3(s) + 3 H2O(l) 2 Fe(OH)3(s) DH = +288.6 kJ Show all work and calculate to the correct number of sig figs.

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Determine the heat of reaction for the oxidation of iron,
4 F e ( s ) + 3 O 2 ( g ) R 2 F e 2 O 3 ( s )
given the thermochemical equations below.
2 F e ( s ) + 6 H 2 O ( l ) ® 2 F e ( O H ) 3 ( s ) + 3 H 2 ( g ) D H = + 321.8 k J 2 H 2 O ( l ) ® 2 H 2 ( g ) + O 2 ( g ) D H = + 571.7 k J F e 2 O 3 ( s ) + 3 H 2 O ( l ) ® 2 F e ( O H ) 3 ( s ) D H = + 288.6 k J
Show all work and calculate to the correct number of sig figs.

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