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The Energy Change Of Reactions (ht Only) (GCSE Chemistry)
The following is a GCSE Chemistry test covering 'The Energy Change Of Reactions (ht Only)' from the broader topic Energy Changes. The test is geared towards the AQA exam board style syllabus.Incorrect: 0
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What is the activation energy of a reaction?
In a simple calorimetry example, burning 2.00 g of fuel A releases 5000 J. What energy per gram does fuel A release?
Which unit is most appropriate for standard enthalpy changes reported in data tables?
Which statement correctly defines an exothermic reaction?
When an acid neutralises an alkali in solution, which is true about the energy change?
Which statement about Hess’s law is correct?
Which methodological change will reduce heat lost to the environment during a temperature-change experiment?
Which statement is true about standard enthalpies of formation?
Which is the best reason to use ?H in kJ mol-1 rather than kJ g-1 when reporting enthalpy change?
A reaction gives ?H = -125 kJ mol-1. Which statement is correct?
In a theoretical Hess’s law question you are given two reactions to add to make a target reaction. What operation is usually required when reversing one of the given equations?
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