4137735
Beschreibung
Karteikarten von Fangirl.Ana, aktualisiert more than 1 year ago
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Erstellt von Fangirl.Ana
vor mehr als 8 Jahre
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| Frage | Antworten |
| Standard conditions | 1. Pressure: 10^5 Pa 2. Temperature: 285 K (25 Celsius) 3. Normal physical state of substance |
| Standard enthalpy change of reaction | The enthalpy change when the amount of reactants shown in the balanced equation react to give products (standard conditions) |
| Standard enthalpy change of formation | Enthalpy change when 1 mole of a compound is formed from its elements (standard conditions) |
| Standard enthalpy change of combustion | Enthalpy change when 1 mole of a substance is burnt in excess oxygen. The reactants and products must be in their natural states (standard conditions) |
| Enthalpy change of solution | Enthalpy change when one mole of a substance dissolves in a solvent to form an infinitely dilute solution (standard conditions) |
| Enthalpy change of atomisation | Enthalpy change when one mole of gaseous atoms is formed from its element (standard conditions) |
| Enthalpy change of hydration (of an anhydrous salt) | Enthalpy change when 1 mole of hydrated salt is formed from 1 mole of anhydrous salt |
| Hess's Law | Total enthalpy change in a chemical reaction is independent of the route taken given the initial and final conditions are the same. |
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