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Tutor HuntTest QuestionsChemistry QuestionsYear 10 Chemistry Questions

 

Collision Theory And Activation Energy (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Collision Theory And Activation Energy' from the broader topic The Rate And Extent Of Chemical Change. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Which change will increase the number of successful collisions per second in a solution?
A student measures rate as volume of gas produced per second. Which change to the apparatus gives a more accurate measurement of small volumes collected?
If two reactions have the same activation energy but different collision frequencies, what will be true?
Which statement best describes collision theory?
How does a heterogeneous catalyst typically operate?
Which factor does NOT affect the collision frequency for gas-phase reactants in the same container?
Which of the following most directly increases collision frequency between reactant molecules in a liquid?
Which of the following best explains why a finely powdered solid reacts faster than the same solid in large lumps?
Which of these changes would increase the fraction of molecules with energy = activation energy?
If a reaction’s rate doubles when temperature is increased by 10 °C, this observation is best interpreted as:
Which graph feature on a reaction profile represents the activation energy?