Question

Chemistry 30 tUnisn. emistry 30 Unit C Module 6 Summative Assessment Identify how each of the following changes would affect the operation of 11. each cell. Explain each answer for full marks. (5 Marks) Answer Change Voltaic Cell System The solution in the salt-bridge is replaced with CH3OH(aq) There will be a reducsn iA the Cel ooter the sult hciduc used miintaiA eledtica The iron(II) nitrate solution is replaced with salt water ncutr h (NaCl(aq) 1 Result Explanation 2 the nte/nd Result Explanation The carbon electrode is replaced by a solid silver 3 electrode. e no chanao in Djofal readhsn hre will Result Explanation Instead of a porous cup, the two half-cells are separated by a salt-bridge containing aqueous potassium nitrate 4 Result Explanation The tin electrode was replaced with a carbon electrode. 5 Result Explanation 2 Describe the effect on the voltmeter output when the salt bridge is removed from the voltaic cell. Answer (1 Mark) 1.11 11.Se 1 1.13 27.690 456 x100 1.13 b.9f 1.561 y 1003f 70 1.64 1.04-1.56 xIo 30 11561 X In this Virtual Investigation, would you expect a difference in the cell potentials if larger cells had been constructed and tested? Explain. nswer (2 Marks) Dridaren helf ccll Redelhin 2 Ag t20 2A Net un Sns)/Snag) 12 Lag)/2 is) std pokatal AG-ESA 6 70-(-014) O.9 uU Page 10 of 20 OZNO

Answer 1

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