Given the following heat of formation v

1. Draw Lewis structures for ozone and for dioxygen. Using the data given below, qualitatively compare the bond enthalpies, bond orders, and bond lengths of these two compounds. O₂ (g) 20 (g) AH" = +498 kJ O(g) + O₂(g) →O, (g) AH-105 kJ

Question 22 of 25 For a particular isomer of C, H,8, the combustion reaction produces 5093.7 kJ of heat per mole of C,H3(g) consumed, under 18 standard conditions. 25 CH15(g) + 8 CO,(g) + 9 H,O(g) AHixn = -5093.7 kJ/mol What is the standard enthalpy of formation of this isomer of C,H3(g)? ΔΗ kJ/mol

Part A Calculate the enthalpy of the reaction 2NO(g) + O2(9)–→2NO2(9) given the following reactions and enthalpies of formation: A N2(9) + O2(g)→NO2(9), AfH = 33.2 kJ mol 1 B. N2 (9) + ¿O2(9)→NO(g), AfHß = 90.2 kJ mol 1 Express your answer with the appropriate units. • View Available Hint(s) ? A¢H° = Value Units Submit

6. Heat of Formation. Give the balanced chemical equation used to find the heat of formation of the following a) CH3COOH (1) b) Na2SO4(s)

The reaction of CH3OH(g) with N2(g) to give HCN(g), NH3(g), and O2(g) requires 164 kJ/mol of CH3OH(g). Write a balanced chemical equation for this reaction. Include the phases of all species in the reaction.  How much heat is involved in the reaction of 65.0 g of CH3OH(g) with excess N2(g) to give HCN(g) and NH3(g) in this reaction?

1. What is the enthalpy of reaction per mole of HCl (g) in the following reaction.( Don't have to explain why) 4HCl (g) + O2 (g) → 2Cl2 (g) + 2H2O + 114.4 kJ a) -457.6 kJ / mol b) -114.4 kJ / mol c) -28.6 kJ / mol d) +114.4 kJ / mol 2. The standard enthalpy of formation of a compound represents: a) The thermal energy released by the decomposition of one mole of this compound. b) The change in enthalpy when a mole of this compound is formed from its elements under standard conditions. c) The change in enthalpy when one mole of an element turns into a compound. d)The thermal energy released by the complete combustion of one mole of this compound. e) The enthalpy change of the phase transition of one mole of this compound.