Answer to Question #118704 in General Chemistry for Hayley Lozier

Question

Use standard heats of formation, H0
f, to calculate the change in enthalpy for each
reaction.
a. C2H4 (g) + 3 O2 (g)  2CO2 (g) + 2 H2O (l)
b. C6H6 (l) + 9/2 O2 (g)  6CO (g) + 3 H2O (l)
c. Br2 (g)  Br2 (l)
d. CaCO3 (s)  CaO (s) + CO2 (g)
e. 2NO (g) + O2 (g)  2NO2 (g)
f. 2C (s, graphite) + O2 (g)  2CO (g)
g. 2H2O2 (l)  2H2O (l) + O2 (g)
h. 4NH3 (g) + 5O2 (g)  4NO (g) + 6H2O (g)

Answer 1

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