AS Chemistry - Enthalpy
OCR AS Chemistry unit two- Chains, energy and resources. Quiz on enthalpy change.
- Created by: Robin
- Created on: 25-05-10 08:01
Other questions in this quiz
2. Which of the following best defines enthalpy?
- The change in temperature of a reaction
- The energy content of a chemical system
- The energy change of a reaction
- The heat content of a chemical system
- Energy
3. What is the Ea?
- An enthalpy change of a reaction in the molar quantities expressed in a chemical equation under standard conditions all reactants and products being in their standard state
- A reaction which draws heat from the surroundings
- Minimum energy required to start a reaction
- Heat content of a chemical system
- A reaction which releases heat to the surroundings
4. What is this: if a reaction can take place by more than one route and the initial and final conditions are the same, the total enthalpy change is the same for each route?
- Hess' law
- Le Chateliers principle
- The Bolts
5. Making bonds is endothermic
- False
- True
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