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Tutor HuntTest QuestionsChemistry QuestionsYear 10 Chemistry Questions

 

Reaction Profiles (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Reaction Profiles' from the broader topic Energy Changes. The test is geared towards the AQA exam board style syllabus.
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Question 1
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Below a typical questions that will be covered in this test. You final score will be logged on your account

If two reaction profiles show the same activation energy but different overall energy changes, they differ in
When comparing two reaction profiles, the one with the lower activation energy will usually have
A reaction profile for a catalysed reaction compared with the uncatalysed one will show
Why will the activation energy shown on a reaction profile be unaffected by changing the concentration of reactants?
A student sketches a reaction profile and labels an arrow pointing down from reactants level to products level. The arrow should be labelled
Which part of a reaction profile represents the minimum energy barrier that must be overcome for reactants to form products?
Which statement about activation energy is correct?
Which of the following best explains why exothermic reactions often feel hot to the touch?
Which change to a reaction profile would show the reaction is endothermic?
A reaction profile shows two peaks for a reaction mechanism with two steps. The highest peak corresponds to
How does increasing concentration of reactants affect a reaction as illustrated conceptually (not on the profile shape itself)?