Standard enthalpy change of formation is the amount of energy ____ when ____ of substance is ____ from its individual ____ under standard conditions. Standard enthalpy change of combustion is the amount of energy ____ when ____ of substance is burned in ____ oxygen under standard conditions. Standard enthalpy change of atomisation is the amount of energy ____ when ____ of ____ is formed from its ____ under standard conditions. First ionisation energy is the ____ amount of energy ____ when ____ of electron is ____ from a ____ to form ____ charged ion under standard conditions. Second ionisation energy is the ____ amount of energy ____ when ____ of electron is ____ from a unipositive ____ under standard conditions. First electron affinity is the ____ amount of energy ____ when ____ of electron is ____ from a ____ to form ____ charged ion under standard condition. Second electron affinity is the ____ amount of energy ____ when ____ of electron is ____ from a uninegative ____ under standard condition. Lattice energy is the ____ amount of energy ____ when ____ of ____ crystal lattice is formed from its ____ under standard condition. Enthalpy change of hydration is the amount of energy ____ when ____ of ____ dissolved in ____ to form aqueous ____ under standard condition. Enthalpy change of solution is the amount of energy ____ when ____ of ____ is dissolved in ____ water to form infinite ____ under standard condition. Hess’ law state that the heat ____ during a chemical reaction, is ____ of route by which the chemical changes occur.

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