Enthapy changes 1

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  • Created by: Leona-L
  • Created on: 03-12-15 16:47
Define activation energy (Ea)
The minimum amount of energy required for a reaction to take place (to break existing bonds so that new bonds may form)
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Define Standard Enthalpy Change of Reaction
The change in enthalpy which accompanies a reaction in the molar quantities shown in the chemical equation in standard conditions and states.
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Define Standard Enthalpy Change of Formation
The change in enthalpy accompanying a reaction in which one mole of a compound is formed from its elements in standard conditions and states
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Define Standard Enthalpy Change of Combustion
The enthalpy change which accompanies the complete combustion of one mole of a substance in standard states & conditions
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Define Standard Enthalpy Change of Neutralisation
The change in enthalpy accompanying the reaction of an acid with a base to form one mole of water under standard conditions and in standard states
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How do you calculate the temperature change of the surroundings (/\T)?
Final T - Initial T
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How do you calculate an energy change (q)?
q = mc/\T
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Card 2

Front

Define Standard Enthalpy Change of Reaction

Back

The change in enthalpy which accompanies a reaction in the molar quantities shown in the chemical equation in standard conditions and states.

Card 3

Front

Define Standard Enthalpy Change of Formation

Back

Preview of the front of card 3

Card 4

Front

Define Standard Enthalpy Change of Combustion

Back

Preview of the front of card 4

Card 5

Front

Define Standard Enthalpy Change of Neutralisation

Back

Preview of the front of card 5
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