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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

In a reaction A + B ? products, which effect does increasing the concentration of A have (all else constant)?
Which graph feature on a reaction profile represents the activation energy?
Which statement about orientation in collisions is true?
How does increasing pressure affect the rate of reaction for gases when other conditions are constant?
Which factor changes the proportion of collisions having energy equal to or greater than the activation energy most directly?
Which practical step in a kinetics experiment reduces random errors from heat loss when measuring temperature changes?
Which experimental change would most directly decrease activation energy for a reaction?
Which description fits a reaction with a high activation energy compared with another reaction at the same temperature?
Which factor does NOT affect the collision frequency for gas-phase reactants in the same container?
If a reaction’s rate doubles when temperature is increased by 10 °C, this observation is best interpreted as:
Which of these changes would increase the fraction of molecules with energy = activation energy?