4. Place the following in order of increasing magnitude of lattice energy. NaCI Rbl KBr 5, Draw Lewis structures for the molecule N2H4 and the nitrate ion NO3. 6. Use the bond energies provided to estimate AH rxn for the reaction below. CH4(g) + 2 O2 (g) â CO2 (g) + 2 H2O(g) AH"nn"? C-H C-o 0-0 O-H 414 799 498 464