A level Chemistry (3.2 Physical Chemistry) Karteikarten am Enthalpy Changes, erstellt von Yinka F am 04/03/2018.
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Erstellt von Yinka F
vor mehr als 6 Jahre
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Schließen
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Erstellt von Yinka F
vor mehr als 6 Jahre
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What is enthalpy change?
What does this symbol mean:
What are the standard conditions?
You can't directly measure the actual enthalpy of a system. What is used instead?
Complete the sentences:
Enthalpy changes in data books are usually _____________ enthalpy changes. This is important as changes in enthalpy are affected by ______________ and ____________.
What does this symbol mean:
Define standard enthalpy change of reaction
What does this symbol mean:
Define standard enthalpy change of formation
What does this symbol mean:
Define standard enthalpy change of combustion
What does this symbol mean:
Define standard enthalpy change of neutralisation
Complete the sentences:
Exothermic reactions _______ ______ energy to their surroundings. The products of the reaction end up with _______ energy than the reactants. This means that the enthalpy change for the reaction will be ___________.
TRUE OR FALSE:
Oxidation is usually exothermic
Describe what an enthalpy diagram of an exothermic reaction looks like
Complete the sentences:
Endothermic reactions ______ ____ energy from their surroundings. This means that the products of the reaction have ______ energy than the reactants, so the enthalpy change for the reaction is ___________.
TRUE OR FALSE:
Thermal decomposition is endothermic
Describe what an enthalpy diagram of an endothermic reaction looks like
