3.17 - 3.22 Reversible reactions and equilibria A question of balance  Many chemical reactions can be reversed.&nbs... https://www.mychem.co.uk/index.php/igcse-chemistry/physical-chemistry/equilibria EdexcelOCR Questions The video describes a number of equilibria. Watch the video, pausing as required and answer the questions below:  E...

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3.1 - 3.8 Energetics An exothermic reaction  3.1 Energetics  Students should:3.1 kno... https://www.mychem.co.uk/index.php/igcse-chemistry/physical-chemistry/energetics You need to know the definitions of:  Enthalpy change of formation  Enthalpy change of combustion  Exam question 1 Exam question 2

GIANT METALLIC LATTICES  Enter your text here ... GIANT IONIC LATTICES Enter your text here ... GIANT COVALENT LATTICES  Enter your text here ... SIMPLE MOLECULAR ( SMALL MOLECULES) Enter your text here ... MONATOMIC  Enter your text here ...