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In a laboratory experiment, a student set up an electrochemical cell that contained sodium bromide, NaBr(aq). The power supply provided a current of 34.7 A for 9.00 min. 20. The amount of electrons transferred was 6.66 x 10-7 mol 1.61 × 10-4 mol 3.24 x 10-3 mol 1.94 x 10-¹ mol A. B. C. D. Use the following information to answer questions 21 to 23. Methyl benzoate, C6H5COOCH3(1), is a compound used to attract orchid bees. Methyl benzoate can be synthesized from methanol, CH3OH(1), and benzoic acid, C6H5COOH(s), as represented by the following equilibrium equation. conc. H₂SO4(aq) CH₂OH(1) + C6H5COOH(s) + 5.4 kJ The molar enthalpy of formation, AfH°, of C6H5COOH(s) is -385.2 kJ/mol. 21. The oxidation number of carbon in CH3OH(1) is i and the sign of the oxidation number of carbon in C6H5COOH(s) is ii The statement above is completed by the information in row Row A. B. C. D. i -2 -2 +2 +2 ii negative positive C6H5COOCH3(1) + H₂O(1) negative positive "

In a laboratory experiment, a student set up an electrochemical cell that contained sodium bromide, NaBr(aq). The power supply provided a current of 34.7 A for 9.00 min. 20. The amount of electrons transferred was 6.66 x 10-7 mol 1.61 × 10-4 mol 3.24 x 10-3 mol 1.94 x 10-¹ mol A. B. C. D. Use the following information to answer questions 21 to 23. Methyl benzoate, C6H5COOCH3(1), is a compound used to attract orchid bees. Methyl benzoate can be synthesized from methanol, CH3OH(1), and benzoic acid, C6H5COOH(s), as represented by the following equilibrium equation. conc. H₂SO4(aq) CH₂OH(1) + C6H5COOH(s) + 5.4 kJ The molar enthalpy of formation, AfH°, of C6H5COOH(s) is -385.2 kJ/mol. 21. The oxidation number of carbon in CH3OH(1) is i and the sign of the oxidation number of carbon in C6H5COOH(s) is ii The statement above is completed by the information in row Row A. B. C. D. i -2 -2 +2 +2 ii negative positive C6H5COOCH3(1) + H₂O(1) negative positive "

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 18.103QE
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In a laboratory experiment, a student set up an electrochemical cell that contained sodium bromide, NaBr(aq). The power supply provided a current of 34.7 A for 9.00 min.d 20. The amount of electrons transferred was 6.66 x 10-7 mol -4 1.61 × 104 mol 3.24 × 10-3 mol X 1.94 × 10-¹ mol A. B. C. D. Use the following information to answer questions 21 to 23. Methyl benzoate, C6H5COOCH3(1), is a compound used to attract orchid bees. Methyl benzoate can be synthesized from methanol, CH3OH(1), and benzoic acid, CH₂COOH(s), as represented by the following equilibrium equation. conc. H₂SO4(aq) Use the following information to answer question 20. CH₂OH(1) + C6H5COOH(s) + 5.4 kJ The molar enthalpy of formation, AfH°, of C6H5COOH(s) is -385.2 kJ/mol. Row 21. The oxidation number of carbon in CH3OH(l) is number of carbon in C6H5COOH(s) is The statement above is completed by the information in row A. B. C. D. i -2 -2 +2 +2 ●● il ii negative positive negative 18 C6H5COOCH3(1) + H₂O(1) positive i , and the sign of the oxidation KO H #ayorbyH
Transcribed Image Text:In a laboratory experiment, a student set up an electrochemical cell that contained sodium bromide, NaBr(aq). The power supply provided a current of 34.7 A for 9.00 min.d 20. The amount of electrons transferred was 6.66 x 10-7 mol -4 1.61 × 104 mol 3.24 × 10-3 mol X 1.94 × 10-¹ mol A. B. C. D. Use the following information to answer questions 21 to 23. Methyl benzoate, C6H5COOCH3(1), is a compound used to attract orchid bees. Methyl benzoate can be synthesized from methanol, CH3OH(1), and benzoic acid, CH₂COOH(s), as represented by the following equilibrium equation. conc. H₂SO4(aq) Use the following information to answer question 20. CH₂OH(1) + C6H5COOH(s) + 5.4 kJ The molar enthalpy of formation, AfH°, of C6H5COOH(s) is -385.2 kJ/mol. Row 21. The oxidation number of carbon in CH3OH(l) is number of carbon in C6H5COOH(s) is The statement above is completed by the information in row A. B. C. D. i -2 -2 +2 +2 ●● il ii negative positive negative 18 C6H5COOCH3(1) + H₂O(1) positive i , and the sign of the oxidation KO H #ayorbyH
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