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3 Cards in this Set
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- Back
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Hess's law states: |
The enthalpy change of a reaction will always be the same regardless of the route taken. |
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Enthalpy of formation: 1) Direction of the arrows? 2) The elements and reactants/products? 3) To get the enthalpy change? |
1) Upwards from the elements. 2) Must be balanced. 3) Form a cycle to get the enthlpy value. |
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Enthalpy of Combustion:
1) Direction of the arrows? 2) All substances? 3) To get the enthalpy change? |
1) Downwards towards CO2 & H2O. 2) Must be balanced. 3) Form a cycle. |
