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Heat of reactions

Define heat of reaction The heat change when the number of moles of reactants indicated in the balanced equation react completely
Define heat of combustion The heat change when one mole of a substance is burned completely in excess oxygen
What apparatus is used to measure heat of combustion? Bomb calorimeter
What is a kilogram calorific value? The heat energy of the fuel produced when one kilogram of it is burned completely in excess oxygen
What is bond energy? The average energy required to break one mole of a particular covalent bond and to completely separate the neutral atoms
Define heat of neutralisation The heat change when one mole of H+ ions react with one mole of OH- ions
Give an equation for heat given out Mass*specific heat capacity*rise in temperature
Define heat of formation The heat energy given out when one mole of the reactants react with eachother to form a new compound
What is Hess's law The sum of heat changes if a reaction takes place in stages is equal to that if it had taken place continuously
Law of conservation of energy Energy cannot be created not destroyed only changed from one form to another
Created by: JackEatonK98