1. -163.7 kJ/mol 2. +805 kJ/mol 3. -415.48 kJ/mol 4. -74.88 kJ/mol; -72,40 kJ/mol 5. -854.28 kJ/mol 6. -644.97 kJ/mol 7. -1270 kJ/mol 8. +57 kJ/mol 9. -400 kJ/mol; -200 kJ/mol 10. -1234.71 kJ/mol; esotermica; 1234,7 kJ