CHEM 210 Biochemistry Module 2 Exam Questions
and Verified Answers |100% Guaranteed Pass | |
Portage Learning
Question 1 pts
Scientific Calculator (https://www.desmos.com/scientific)
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
A
B
orrect Answer C
ou Answered D
E
, Question 2 pts
Water is a unique molecule. Which of the following contributes to
water’s unique place in the chemical world?
The geometry of the molecule
The polarity of the O-H bonds
The ability of water molecules to hydrogen bond
The bond angle of water
All of the answers are correct
Correct!
The bent shape of water is due to ______________.
The dipole arrows in a water molecule
The electronegativity difference between hydrogen and oxygen
ou Answered The unequal electron sharing between hydrogen and oxygen
orrect Answer The unshared electron pairs on the oxygen atom
None of the answers are correct
, Question 4 pts
Which diagrams correctly represent a hydrogen bond?
A and B
A and D
B and C
C and D
Correct! A and C
both show a proton donor and acceptor
and Verified Answers |100% Guaranteed Pass | |
Portage Learning
Question 1 pts
Scientific Calculator (https://www.desmos.com/scientific)
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
A
B
orrect Answer C
ou Answered D
E
, Question 2 pts
Water is a unique molecule. Which of the following contributes to
water’s unique place in the chemical world?
The geometry of the molecule
The polarity of the O-H bonds
The ability of water molecules to hydrogen bond
The bond angle of water
All of the answers are correct
Correct!
The bent shape of water is due to ______________.
The dipole arrows in a water molecule
The electronegativity difference between hydrogen and oxygen
ou Answered The unequal electron sharing between hydrogen and oxygen
orrect Answer The unshared electron pairs on the oxygen atom
None of the answers are correct
, Question 4 pts
Which diagrams correctly represent a hydrogen bond?
A and B
A and D
B and C
C and D
Correct! A and C
both show a proton donor and acceptor
