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Tutor HuntTest QuestionsChemistry QuestionsYear 10 Chemistry Questions

 

Energy Changes And Reversible Reactions (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Energy Changes And Reversible Reactions' 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 experimental practice reduces random error when measuring temperature changes in an enthalpy experiment?
When the temperature of an exothermic reversible reaction is increased, Le Chatelier’s principle predicts the equilibrium will:
Why do most reversible reactions reach equilibrium faster when a catalyst is added?
For the equilibrium N2(g) + 3H2(g) ? 2NH3(g) (exothermic), which change will increase the percentage yield of ammonia at equilibrium?
Increasing the pressure on the equilibrium 2NO2(g) ? N2O4(g) favours the side with:
Why does adding a catalyst not change the position of a dynamic equilibrium?
Adding a catalyst to a reaction usually:
Which experimental change would increase the initial rate of reaction between a powdered solid and an acid?
Which experimental variable directly affects the extent of reaction (how far reaction goes towards products) rather than just the rate?
Which statement about reversible reactions at dynamic equilibrium is correct?
A graph of amount of product formed against time levels off to a horizontal line because: