bio chem module 2 Exam NEWEST
{2025-2026} VERSION EXAMS With
Comprehensive Questions and Well
Elaborated Correct Answers GRADED
A+
Professional Academic Assistance Services
Services Offered
Proctored Exam Assistance
Online Class Management (Full Course Support)
Exam Preparation & Study Materials
Assignments and Coursework Support
Essays and Research Papers
Discussion Posts and Replies
, The pH of a solution of 0.0010 M NaOH is:
1
11
8
0
14 - correct ans:11 [Kw=[H+ ][OH- ] = 1.0 x 10-14; [H+ ][0.0010] = 1.0 x 10-14 [H+ ]=1.0 x 10-11; pH=-
log[1.0 x 10-11;]=11]
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 ans:- All of the answers are correct
The bent shape of water is due to ______________.
- The dipole arrows in a water molecule - - The electronegativity difference between hydrogen and
oxygen
- The unequal electron sharing between hydrogen and oxygen
- The unshared electron pairs on the oxygen atom
- None of the answers are correct - correct ans:- The unshared electron pairs on the oxygen atom
The H+ concentration of a solution is 1.2 x 10-3 M. What is the pH?
-1.20
1.20
{2025-2026} VERSION EXAMS With
Comprehensive Questions and Well
Elaborated Correct Answers GRADED
A+
Professional Academic Assistance Services
Services Offered
Proctored Exam Assistance
Online Class Management (Full Course Support)
Exam Preparation & Study Materials
Assignments and Coursework Support
Essays and Research Papers
Discussion Posts and Replies
, The pH of a solution of 0.0010 M NaOH is:
1
11
8
0
14 - correct ans:11 [Kw=[H+ ][OH- ] = 1.0 x 10-14; [H+ ][0.0010] = 1.0 x 10-14 [H+ ]=1.0 x 10-11; pH=-
log[1.0 x 10-11;]=11]
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 ans:- All of the answers are correct
The bent shape of water is due to ______________.
- The dipole arrows in a water molecule - - The electronegativity difference between hydrogen and
oxygen
- The unequal electron sharing between hydrogen and oxygen
- The unshared electron pairs on the oxygen atom
- None of the answers are correct - correct ans:- The unshared electron pairs on the oxygen atom
The H+ concentration of a solution is 1.2 x 10-3 M. What is the pH?
-1.20
1.20
