Q1. Using the enthalpy changes of formation data, calculate the Compound ΔfH kJ/mol enthalpy change of reaction for the following (draw a Hess cycle NO (g) + 90.4 in your answer): O2 (g) zero 2NO2 (g) --> 2NO (g) + O2 (g) NO2 (g) + 33.2 Q2. Using the enthalpy changes of formation data, calculate the Compound kJ/mol ΔfH enthalpy change of reaction for the following (draw a Hess cycle CaCO3 (s) - 1207 in your answer): CaO (s) - 635 CO2 (g) - 394 CaCO3 (s) --> CaO (s) + CO2 (g) Compound Q3. Using the enthalpy changes of formation data, calculate the ΔfH kJ/mol enthalpy change of reaction for the following (draw a Hess C6H12O6 (s) -1275.0 cycle in your answer): O2 (g) zero CO2 (g) -393.5 C6H12O6 (s) + 6 O2 (g) --> 6 CO2 (g) + 6 H2O (l) H2O (l) -285.8 Q4. Using the enthalpy changes of formation data, calculate the Compound ΔfH kJ/mol enthalpy change of reaction for the following (draw a Hess cycle SO2 (g) -297 in your answer): H2S (g) -20.6 S (s) zero SO2 (g) + 2H2S (g) --> 3S (s) + 2H2O (l) H2O (l) -285.8 Q5. Using the enthalpy changes of formation data, calculate the Compound ΔfH kJ/mol enthalpy change of reaction for the following (draw a Hess cycle KOH (s) -425 in your answer): H2SO4 (l) -814 K2SO4 (s) -1438 2KOH (s) + H2SO4 (l) --> K2SO4 (s) + 2H2O (l) H2O (l) -286
Compound ΔfH kJ/mol NO (g) + 90.4 O2 (g) zero NO2 (g) + 33.2 Q1. Using the enthalpy changes of formation data, calculate the enthalpy change of reaction for the following (draw a Hess cycle in your answer): 2NO2 (g) --> 2NO (g) + O2 (g) Compound ΔfH kJ/mol CaCO3 (s) - 1207 CaO (s) - 635 CO2 (g) - 394 Q2. Using the enthalpy changes of formation data, calculate the enthalpy change of reaction for the following (draw a Hess cycle in your answer): CaCO3 (s) --> CaO (s) + CO2 (g) Compound ΔfH kJ/mol C6H12O6 (s) -1275.0 O2 (g) zero CO2 (g) -393.5 H2O (l) -285.8 Q3. Using the enthalpy changes of formation data, calculate the enthalpy change of reaction for the following (draw a Hess cycle in your answer): C6H12O6 (s) + 6 O2 (g) --> 6 CO2 (g) + 6 H2O (l) Compound ΔfH kJ/mol SO2 (g) -297 H2S (g) -20.6 S (s) zero H2O (l) -285.8 Q4. Using the enthalpy changes of formation data, calculate the enthalpy change of reaction for the following (draw a Hess cycle in your answer): SO2 (g) + 2H2S (g) --> 3S (s) + 2H2O (l) Compound ΔfH kJ/mol KOH (s) -425 H2SO4 (l) -814 K2SO4 (s) -1438 H2O (l) -286 Q5. Using the enthalpy changes of formation data, calculate the enthalpy change of reaction for the following (draw a Hess cycle in your answer): 2KOH (s) + H2SO4 (l) --> K2SO4 (s) + 2H2O (l)