CHEM 210 Biochemistry Module 2 Exam Portage
Learning Questions and Verified Answers, 100% Pass
Scientific Calculator
The pH of a solution of 8.9 x 10-12 M NaOH is:
A. 8.9
B. 8.9 x 10-12
C. 4.8
D. 11
Question 1
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Guidelines and tips
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community
Ask the community for help and clear up your study doubts
University Rankings
Discover the best universities in your country according to Docsity users
Free resources
Our save-the-student-ebooks!
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
CHEM 210 Biochemistry Module 2 Exam Portage Learning Questions and Verified Answers (2025), Exams of Nursing
CHEM 210 Biochemistry Module 2 Exam Portage Learning Questions and Verified Answers (2025) This document contains all verified questions and answers for the Module 2 Exam of CHEM 210 Biochemistry at Portage Learning. Covered topics include protein structure and function, amino acid properties, and protein folding. This resource ensures focused preparation with 100% accurate and reliable content.
Typology: Exams
2024/2025
1 / 52
This page cannot be seen from the preview
Don't miss anything!
Related documents
Partial preview of the text
Download CHEM 210 Biochemistry Module 2 Exam Portage Learning Questions and Verified Answers (2025) and more Exams Nursing in PDF only on Docsity!
CHEM 210 Biochemistry Module 2 Exam Portage
Learning Questions and Verified Answers, 100% Pass
Scientific Calculator The pH of a solution of 8.9 x 10 - 12 M NaOH is: A. 8. B. 8.9 x 10 - 12 C. 4. D. 11
Question 1
Question 2
D
E
[Kw=[H+][OH-] = 1.0 x 10 - 14 ; [H+][8.9 x 10 - 12 ] = 1.0 x 10 - 14 ;[H+]=890; pH=-log[890]=2.9] Which attribute contributes to water’s unusual properties? The geometry of the molecule The polarity of the O-H bonds
Question 3
The ability of water molecules to hydrogen bond The bond angle of water All of the answers are correct
Question 5
A and D both show a proton donor and acceptor A and C B and C C and D B and D Scientific Calculator The H+ concentration of a solution is 1.2 x 10 - 3 M. What is the pH?
Question 6
2.92 [ [H+]=1.2 x 10 - 3 pH=-log[1.2 x 10 - 3 ] = 2.92} Scientific Calculator If the Ka of an acid is 5.63 x 10 - 3 , what is the pKa?
[pKa = - log(5.63 x 10 - 3 ) = 2.25]
- E. 2.
- Question
Elemental iodine (I 2 ) is a solid at room temperature. What is the dominant attractive forcethat exists between I 2 molecules in the solid? London forces
Question 8
Question 9
Hydrogen bonds Halogen forces Dipole-dipole forces Covalent bonds Which one of the following molecules can form a hydrogen bond? A. HI
Question 10
E. H 2 O
A.
B.
C.
D.
E.
A hydrogen bond can form between a hydrogen atom bonded to nitrogen, N–H, and
C
O
The arrow points from P toward Cl The arrow points from Cl toward P Two arrows; one pointed in each direction There would not be a dipole arrow in this case.
Question 12
None of the above The following reaction occurs in glues purchased from hardware stores. Customers use this product to glue plastic together. Epoxy (l) + hardener (l) ⟶ Glue (s) + heat given off What is the sign (+ or - ) of the change in ΔG and ΔH? A) ΔG is (+) and ΔH is (-) B) ΔG is (-) and ΔH is (-)