Exercise
Form 7: Activation Energy Concepts
In this engaging exercise, students will explore the concept of activation energy by conducting hands-on experiments that demonstrate how temperature and catalysts affect the speed of chemical reactions, enhancing their understanding of energy transformations in chemistry. Through interactive discussions and problem-solving activities, learners will deepen their grasp of how activation energy influences everyday reactions and its significance in scientific processes.
Questions
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MultiChoice
What is activation energy?
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MultiChoice
Do endothermic chemical reactions require activation energy to start?
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MultiChoice
Do exothermic chemical reactions require activation energy to start?
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MultiChoice
Friction from striking a match against a box provides the necessary:
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MultiChoice
How does adding a catalyst affect the activation energy of a reaction?
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MultiChoice
The highest peak on a reaction energy diagram represents the:
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MultiChoice
Why does a piece of paper not burn spontaneously in air at room temperature?
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MultiChoice
Lowering the activation energy makes the overall rate of reaction:
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MultiChoice
Sparking a gas grill provides the initial energy barrier required, known as:
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MultiChoice
The energy barrier reactants must overcome to reach the transition state is the:
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MultiChoice
Which statement describes a chemical reaction with a very low activation energy?
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MultiChoice
On an energy diagram, activation energy is measured from the level of the: