iGCSE Scheme of Work Year 10 July 2011 Electrolysis Lesson Learning Activities Assessment Safety Other Objectives emphasis Starter consider what half equations really mean – recall that one Lesson 8 Consider how we measure quantities of electricity, faraday amps, coulombs, represents one mole of Electrolysis Q = I x t in secs electrons Calculations Introduce Faraday as electricity which flows when one Calculate the mole of electrons passes a point in a circuit amounts of the products 6.02 x 1023 electrons of the electrolysis of 1 faraday = 96000 coulombs molten salts and aqueous Students carry out simple calculations from half solutions. equations of how many moles of metal is produced by one faraday of electricity Calculating mass of metal formed at cathode, see iGCSE textbook page 196. Give students a worked example Students carry out simple calculations see work sheet. –
iGCSE Scheme of Work Year 10 July 2011 Electrolysis Lesson Learning Objectives Activities Assessment Safety Other emphasis Lesson 8 Electrolysis Calculations recall that one faraday represents one mole of electrons Calculate the amounts of the products of the electrolysis of molten salts and aqueous solutions. Starter – consider what half equations really mean Consider how we measure quantities of electricity, amps, coulombs, Q = I x t in secs Introduce Faraday as electricity which flows when one mole of electrons passes a point in a circuit 6.02 x 1023 electrons 1 faraday = 96000 coulombs Students carry out simple calculations from half equations of how many moles of metal is produced by one faraday of electricity Calculating mass of metal formed at cathode, see iGCSE textbook page 196. Give students a worked example Students carry out simple calculations – see work sheet.
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