1. Eximate the solubility of calcium carbonate at 25Cin in the presenee of 0.09MCaCl(ap). [7] 2. Will BaSO precipitate from a solution containing 1.5104MBa, barium ion, if encoph swluble sal, Na3SO6, wadded to make the solution 23104M in SO+2 3. Describe stidation reaction and use a rus of irem as an example [5] 4. Descrite the formation of a char coal. Moeivate your answer with chemical reactiom. [5] 5. Lin thece possible disadvantages when a car owner teplaces the mamufactater s stecionmended gasoline with methanol. [3] 6. Consider a gatvanic eell censisting of 5Fe2(aq)+MnO4(aq)+SH2(aq)5Fe22(aq)+Mn2(aq)+4H2O(h i) Write the oxidation and reduction half-reactioes it) Write the reaction using cell neacion ia) Which seaction cecun an the cathode? (w) Which rection occurs at the anode? [6] 7. The solubility peoduct of calcium flaseride (Caf y is 3.45104+ If 1.5mL of a 0.10M solutioe of NaF is added to 1.30mL of a 1.0104M welution of Ca(NO)s, will CaF; pecipitate? 8. Represent the cell in which the following reaction takes place M(s)+2Agg+(0.001M)Mg3+(0.130M)+2Ag(s) Calculate its Eu if E0n=3.17 9. The resistance of a condstivity eell continieg 0.001MCl solitivn at 296K is 19002 what is the cel 2 ACH3701/1031/2023 10. Label and explaia in details the following diajram [5] 12. I Give three functions of E. [3] 13. Give an bdeal principle of predictiag a performance of a fucl eell and pive an ecumple with a calculation [10] 14. Mentice and show how nechnologies of different hatteries difter [5] 1. Eximate the solubility of calcium carbonate at 25Cin in the presenee of 0.09MCaCl(ap). [7] 2. Will BaSO precipitate from a solution containing 1.5104MBa, barium ion, if encoph swluble sal, Na3SO6, wadded to make the solution 23104M in SO+2 3. Describe stidation reaction and use a rus of irem as an example [5] 4. Descrite the formation of a char coal. Moeivate your answer with chemical reactiom. [5] 5. Lin thece possible disadvantages when a car owner teplaces the mamufactater s stecionmended gasoline with methanol. [3] 6. Consider a gatvanic eell censisting of 5Fe2(aq)+MnO4(aq)+SH2(aq)5Fe22(aq)+Mn2(aq)+4H2O(h i) Write the oxidation and reduction half-reactioes it) Write the reaction using cell neacion ia) Which seaction cecun an the cathode? (w) Which rection occurs at the anode? [6] 7. The solubility peoduct of calcium flaseride (Caf y is 3.45104+ If 1.5mL of a 0.10M solutioe of NaF is added to 1.30mL of a 1.0104M welution of Ca(NO)s, will CaF; pecipitate? 8. Represent the cell in which the following reaction takes place M(s)+2Agg+(0.001M)Mg3+(0.130M)+2Ag(s) Calculate its Eu if E0n=3.17 9. The resistance of a condstivity eell continieg 0.001MCl solitivn at 296K is 19002 what is the cel 2 ACH3701/1031/2023 10. Label and explaia in details the following diajram [5] 12. I Give three functions of E. [3] 13. Give an bdeal principle of predictiag a performance of a fucl eell and pive an ecumple with a calculation [10] 14. Mentice and show how nechnologies of different hatteries difter [5]
