Lab 16: Hess's Law His Low 's to calculate 4. In accordance with Hess's Law, manipulate...
4. In accordance with Hess's Law, manipulate the following equations and their AHn's to calculate AHn for the reaction HCIO4+ NH3 NH CIO4 LICIO4(ag) H2Oo HCIO4a) +LiOH(ag) CH COOH(a)+NH3(a) NH4CH3COO() +H2O CH3COOHa) +LiOH (a) LICH,CO(a) kJ/mol AHpn kJ/mol AHen kJ/mol AHn kJ/mol AHpn HCIO4 (aq) +NH3(aq)NH4CIO4ag)
Lab 16: Hess's Law Hess's Law 4. In accordance with Hess's Law, manipulate the following equations and their AHn's to calculate AHn for the reaction HCIO, + NH, NH CIO HCIOa)LiOHa) LiCIO4aH2Oo CH3COOHa+NH)NHCHcoOag) CHCOOHa+LiOH)LICH3CO0(a)+H2O AHpn= kJ/mol AHn kJ/mol AHpn kJ/mol НСО, +NHs NHCIO (ag) AHpn kJ/mol
4. Using Hess's Law, calculate the enthalpy of formation of potassium chlorate: K (s) + Cl2 (g) + 3/2 02 (g) →KCIO: (s) AH = ? kJ Based on the enthalpy changes for the following reactions: 2 K (8) + Cl2 (g) → 2 KCI (3) AH - 874.0 kJ KCIO: (s) + 3 Mg (8) ► KCl (s) + 3 Mg0 (8) AHxx. - 1852.0 kJ MgO (3) ► Mg (s) + O2(g) AHan = +602.0 kJ
Pre-lab Questions for Experiment #11 Hess's Law with Computers 1) Using the following data, NaOH () - Na' (aq) + OH (aq) ΔΙΙ "-42.9 kJ/mol =-98.8 kJ/mol NaOHis).HUaq) + Cl.(aq)....-11:0(1) + Na. (ap-Craq) Calculate the heat of reaction, AH, for ΔΙΙ 2) Methane, the main constituent of natural gas, burns in oxygen to yield carbon dioxide and water: CH(g) + 2 02(g)CO(g) +2 H:00) Use the following information to calculate ΔΗ, in kilojoules for the combustion of methane CH(g) +...