A Level Chemistry OCR A
Chemistry
Flashcards made for a level chem, unfortunately have not finished. Year 1 and most of year 2 content is done tho!
Sample Data
| Front | Explain why chemical reactions generally involve changes in enthalpy? |
| Back | Enthalpy changes occur because:Reactants and products have diff bonds and structures - contain diff amounts of energy |
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| Front | Which results should be used to generate the mean titration value for the calculations? |
| Back | Mean titreInclude concordant results, NOT including rough titre regardless of whether concordant |
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| Front | Draw enthalpy profile diagram for reaction with catalyst and without, one endo one exo. |
| Back |
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