8015323
Descrição
FlashCards por Melissa O'Mahony, atualizado more than 1 year ago
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Criado por Melissa O'Mahony
mais de 7 anos atrás
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| Questão | Responda |
| Define the standard enthalpy change of combustion. | The enthalpy change that occurs when one mole of a substance is burnt completely in oxygen under standard conditions in standard states. |
| Define the standard enthalpy change of formation. | The enthalpy change when one mole of a compound is formed from its elements under standard conditions in standard states. |
| Define the standard enthalpy change of neutralisation. | The enthalpy change when one mole of hydrogen ions react with one mole of hydroxide ions to form one mole of water under standard conditions and in solution containing 1mold dm^-3 |
| Define standard conditions. | Temperature: 298K Pressure: 1atm Concentration: 1mol dm^-3 |
| Define the standard enthalpy change of a reaction. | The enthalpy change when molar quantities of reactants as stated in the equation react together under standard conditions. |
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