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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.Incorrect: 0
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Which of the following changes will increase the yield of product at equilibrium for a reaction that produces fewer gas molecules than it consumes?
What is the effect of increasing the concentration of a reactant on a collision theory basis?
In a reversible reaction, adding an inert gas at constant volume will:
How does increasing temperature increase the rate of a reaction?
Adding a catalyst to a reaction usually:
On a reaction profile, the peak corresponds to:
For the equilibrium N2(g) + 3H2(g) ? 2NH3(g) (exothermic), which change will increase the percentage yield of ammonia at equilibrium?
Which of the following best describes the overall energy change for an exothermic reaction?
Which quantity is represented by the difference in energy between reactants and products on a reaction profile for an exothermic reaction?
Which change would increase the extent of dissociation of a weak acid in water?
Which label on a reaction profile shows the minimum energy required for reactant particles to react?
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