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3. Make an energy diagram for the heat formation of one mole of each of the following substances: c. N2+4H2 2NH4+ 5. Calculate the change in enthalpy for the following reactions: a. C2H0(0)+O2(0)CO2(0)+H2O0) b. C25H62()+O2(g)CO2()+H2O0) c. N2()+H2()NH3() d. C(s)+1/2O2()CO(g) 8. Use the information provided to calculate the Hf for the following reaction at 25C. Fe3O4(s)+CO(g)aFeO(s)+CO2(s) 7. Methane can react with ammonia and produce the following products. CH4(g)+NH3(g)aHCN(g)+H2(g) a. Balance this equation. b. Calculate H for this reaction. 3. Make an energy diagram for the heat formation of one mole of each of the following substances: c. N2+4H2 2NH4+ 5. Calculate the change in enthalpy for the following reactions: a. C2H0(0)+O2(0)CO2(0)+H2O0) b. C25H62()+O2(g)CO2()+H2O0) c. N2()+H2()NH3() d. C(s)+1/2O2()CO(g) 8. Use the information provided to calculate the Hf for the following reaction at 25C. Fe3O4(s)+CO(g)aFeO(s)+CO2(s) 7. Methane can react with ammonia and produce the following products. CH4(g)+NH3(g)aHCN(g)+H2(g) a. Balance this equation. b. Calculate H for this reaction