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...

​This problem looks at Kp and the values of partial pressures for Sulphur dioxide and oxygen  Enter your text here ...