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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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How does a catalyst affect a reaction profile?
Which statement correctly defines an exothermic reaction?
Which reaction profile corresponds to an exothermic reaction?
Why is a polystyrene cup usually preferred over a glass beaker when measuring temperature change in a lab reaction?
Which everyday process is an example of an exothermic change?
In bond-energy calculations for the reaction H2 + Cl2 ? 2HCl, if H—H = 436 kJ mol-1, Cl—Cl = 346 kJ mol-1 and H—Cl = 432 kJ mol-1, what is ?H (in kJ mol-1)?
Which statement about Hess’s law is correct?
Which of the following changes will increase the temperature change measured in a dissolving experiment (greater |?T|)?
Which of the following best explains why increasing temperature usually increases reaction rate?
A student measures a temperature fall when dissolving ammonium nitrate in water. Which conclusion is correct?
Which statement is true about standard enthalpies of formation?
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