Unit 5 Applied Science Level 3 Btec Chemistry Study Guide Graded A+

what is the general equation for an alkene? {Ans: Cn2H2n}what is a secondary structure {Ans: where there are 2 CH3 groups either side of the compound}enthalpy change {Ans: the change n eat energy at a constant pressure}what is the equation given for the reaction of chloride ions at the anode? {Ans: 2CL- -> Cl2 +2e-}what type of bond is an alkane? {Ans: single}what occur at the stage of propagation? {Ans: this is when the radicals react and form different free radicals}what type of bond is an alkene? {Ans: Double}what is the extraction of aluminium? {Ans: aluminium ore, bauxite, is mixed and then produced to form alumina, which is aluminium oxide. molten alumina is then electrolysis using the halt-heroult process.}what is the name given to a compound with three carbon chain {Ans: prop}what is titanium extraction? {Ans: done by using the kroll process, expensive due to the large amounts of energy needed to create the high temperatures involved. batch process}what charge is the electrode? {Ans: negative}what is a diaphragm cell? {Ans: chloride ions are oxidized at the anode to produce chlorine, and at the cathode, water is split into