CHEM 210 Biochemistry Module 2
Exam () Portage Learning
Questions and Verified Answers, 100%
Guarantee Pass
>> The pH of a solution of 3.2 x 10-10 M NaOH is:
A. 3.7
B. 3.7 x 10-10
C. 4.5
D. 13 E. 8.7
_correct answer _
C. 4.5 Kw=[OH][H] pH=-log[H]
, >>Which attribute contributes to water's unusual properties?
A. The geometry of the molecule
B. The polarity of the O-H bonds
C. The ability of water molecules to hydrogen bond
D. The bond angle of water
E. All of the answers are correct
_correct answer _
E. All of the answers are correct
>>What factor contributes to the bent shape of a water molecule?
_correct answer _
The unshared electron pairs on the oxygen atom
>>Which diagrams correctly represent a hydrogen bond?
_correct answer _
A and D H-bonding: Donors: OH, NH, FH Acceptors: O, N, H
>>The H+ concentration of a solution is 5.6 x 10-5 What is the pH?
_correct answer _
4.25 -log[H]=pH
Exam () Portage Learning
Questions and Verified Answers, 100%
Guarantee Pass
>> The pH of a solution of 3.2 x 10-10 M NaOH is:
A. 3.7
B. 3.7 x 10-10
C. 4.5
D. 13 E. 8.7
_correct answer _
C. 4.5 Kw=[OH][H] pH=-log[H]
, >>Which attribute contributes to water's unusual properties?
A. The geometry of the molecule
B. The polarity of the O-H bonds
C. The ability of water molecules to hydrogen bond
D. The bond angle of water
E. All of the answers are correct
_correct answer _
E. All of the answers are correct
>>What factor contributes to the bent shape of a water molecule?
_correct answer _
The unshared electron pairs on the oxygen atom
>>Which diagrams correctly represent a hydrogen bond?
_correct answer _
A and D H-bonding: Donors: OH, NH, FH Acceptors: O, N, H
>>The H+ concentration of a solution is 5.6 x 10-5 What is the pH?
_correct answer _
4.25 -log[H]=pH
