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
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7794ddd3-0cd1-4301-aa45-eb990ce60a3d%2F802f6d4e-0c06-4f13-89d3-13f1a0d29c40%2Fuzzg4zb_processed.jpeg&w=3840&q=75)
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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