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AQA GCSE Chemistry Topic 5 - Energy Changes

 




Below is everything the examiners think you know, if you're not sure of something click on the link to watch my YouTube video explanation. For a copy of these you can print off, get the FREE revision guide I wrote for you. 


I can describe the energy changes in an exothermic or and endothermic reaction 

 • I can give uses for endothermic and exothermic reactions 

 • I can draw the reaction profiles for endothermic and exothermic reactions 

 • I can determine the energy change in a reaction 

 • I can recall that energy is needed to break bonds  Higher tier only 

 • I can recall that energy is released when bonds are made  Higher tier only 

 • I can calculate the energy change in a reaction  Higher tier only 

 • I can describe how a simple cell works  Chemistry only 

 • I can recall that a battery is two or more cells  Chemistry only 

 • I can describe the difference between rechargeable and non-rechargeable batteries  Chemistry only 

 • I can describe the reaction in a hydrogen fuel cell Chemistry only 

 • I can evaluate the use of hydrogen fuel cells  Chemistry only 

 • I can write half equations for the reactions that take place  Chemistry only