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Chem 210 Study guides, Class notes & Summaries
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BIOCHEMISTRY LAB REPORT 3 2023| PORTAGE LEARNING|WITH PROCEDURES, EXPLANATION AND FINAL RESULTS.HIGHLY VERIFIRD
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BIOCHEMISTRY LAB REPORT 3 2023| PORTAGE LEARNING|WITH PROCEDURES, EXPLANATION AND FINAL RESULTS.HIGHLY VERIFIRD 
Experiment #: Lab 3 
 
Title: Enzymatic Activity of Lactase. 
 
Purpose: The purpose and goals of this experiment are 1. Isolate an enzyme. The student should be able to explain how to isolate an enzyme and be able to isolate an enzyme in the lab. The student should also be able to explain and perform 2. 
Assay enzyme activity spectrophotometrically, 3. Investigate the temperature ef...
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BIOCHEM MODULE 4 EXAM VERIFIED ANSWERS 100%2023/2024
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BIOCHEM MODULE 4 EXAM VERIFIED ANSWERS 100%2023/2024
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Chem 210 Exam 4 Questions and Correct Answers, Complete Solution 2024.
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Chem 210 Exam 4 Questions and Correct Answers, Complete Solution 2024. 
 
In order to make an alcohol we can do what types of reactions? 
addition reactions and oxidation reactions of alcohol 
What are the two types of addition reactions? 
hydration of alkene and addition reactions of H2 to C=O 
We need to figure out if alcohol is a... 
1º, 2º, and 3º 
Ketone addition of H2 to make an alcohol is what type of alcohol? 
2º 
Aldehyde addition of H2 to make an alcohol is what type of alcohol? 
1...
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CHEM 210 Exam 3 study Questions and Correct Answers, Complete Solution 2024.
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CHEM 210 Exam 3 study Questions and Correct Answers, Complete Solution 2024. 
 
poor LB 
CA pka<15 + unhindered anion OR uncharged sp3 N,P,S 
CA pka<15 + unhindered anion OR uncharged sp3 N,P,S 
poor LB description 
 
poor LB 
Cl, Br, I, N3, CN, HS, RS, RO2 + uncharged R3N/P, RSH, H2S 
poor LB 
S-R 
poor LB 
HS 
 
poor LB 
CN 
 
poor LB 
N3 
 
poor LB 
O2-R 
poor LB 
N-R3 
 
poor LB 
P-R3 
poor LB 
SH-R 
 
poor LB 
H2S 
 
Cl-, Br-, I- 
poor LB examples 
CA pka 15-30 + unhindered anio...
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Chem 210 exam 3 study Questions and Correct Answers, Complete Solution 2024.
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Chem 210 exam 3 study Questions and Correct Answers, Complete Solution 2024. 
 
H/OH markov 
H2O AND H2SO4 
MARKOVNIKOV 
SYN AND ANTI 
H/X 
H-X 
MARKOVNIKOV 
SYN AND ANTI 
H/OH anti-Markov 
BH3 + (NaOH, H2O2) 
Anti-markovnikov 
Syn 
OH/OH 
KMnSO4 or OsO4 
N/a 
Syn 
/O/ 
RCOOOH 
N/a 
(syn-ish) 
O/O reductive 
O3, (Zn, or (CH3)2S) 
None 
None 
O/O oxidative 
O3, (H2O2, NaOH, H2O) 
None 
None 
H/H Syn, double or triple Bond 
H2, Pt
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Chem 210 Exam 3 Questions and Correct Answers, With Complete Solution.
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Chem 210 Exam 3 Questions and Correct Answers, With Complete Solution. 
 
what face of the pi bond can EAR occur from? 
either face 
how many products do EARs on an alkene form? 
4 stereoisomeric products 
Brainpower 
Read More 
in a substitution rxn, what does H-O act as? 
nucleophile and replaces LG 
in an elimination rxn, what does H-O acts as? 
base and abstracts BH atom 
what is a requirement for elimination rxns? 
beta hydrogen 
what is a requirement for substitution rxns? 
leaving group 
...
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chem 210 exam 3 Questions and Correct Answers, Complete Solution 2024.
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chem 210 exam 3 Questions and Correct Answers, Complete Solution 2024. 
 
less 
the more s character a carbocation has, the _____stable it is 
the same as 
when looking at an epoxide, the orientation around the oxygen is _________ the orientation around the double bond in the reactant 
BrOH 
when added with base makes an epoxide 
Br2 
adds 2 Brs in anti conformation 
lindlar catalyst 
produces a Z alkene from an alkyne (adds 2 Hs in syn) 
add more electronegative atom, add pi bond 
2 ways of pro...
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CHEM 210 Exam 2 Questions and Correct Answers, Complete Solution.
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CHEM 210 Exam 2 Questions and Correct Answers, Complete Solution. 
 
Linear 
What is the electron-pair geometry of a compound with 2 electron domains? 
Trigonal planar 
What is the electron-pair geometry of a compound with 3 electron domains? 
Brainpower 
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Tetrahedral 
What is the electron-pair geometry of a compound with 4 electron domains? 
Trigonal bipyramidal 
What is the electron-pair geometry of a compound with 5 electron domains? 
Octahedral 
What is the electron-pair geometry o...
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CHEM 210 Exam 2 Questions and Answers, Exam Prep. With complete solution.
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CHEM 210 Exam 2 Questions and Answers, Exam Prep. With complete solution. 
 
Ionic bonds 
Electron transfer from metal to non-metal, forming a bond 
Covalent bonds 
Electron sharing between non-metals, forming a bond 
Ion 
Charged particle 
Cation 
positive ion 
Anion 
negative ion 
wave particle duality 
foundation of quantum mechanics 
Ionization energy 
Amount of energy required to remove the highest energy/outermost electron from isolated neutral atom in gas state (E1) 
Electron Affinity 
is...
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CHEM 210 Exam 1 Review Questions and Correct Answers, With Complete Solution 2024.
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CHEM 210 Exam 1 Review Questions and Correct Answers, With Complete Solution 2024. 
 
What is a BL acid? BL base? 
Acid is a proton donor while a base is proton acceptor 
List the 6 strong acids 
HClO4, HCl, HBr, HI, HNO3, H2SO4 
List the 6 strong bases 
LiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 
What is the eq. for the dissociation of a weak acid? 
HA <=> H+ + A- 
 
Ka = ([H+][A-])/[HA] 
What is the eq. for base hydrolysis? 
B + H2O <=> BH+ + OH- 
 
Kb = ([BH+][OH-])/[B] 
What is t...
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Chem 210 exam 1 Questions and Correct Answers, Complete Solution 2024.
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Chem 210 exam 1 Questions and Correct Answers, Complete Solution 2024. 
 
1 calories 
4.184 joules 
1kilogram 
1000 grams 
Specific heat 
Energy required to raise temperature (j/g x change in temp) 
1 regular calorie 
1 kilocalorie/ 1000 calories 
Group 1A 
Alkali metals 
Group 2A 
Alkaline metals 
Group 7A 
Halogens 
Group 8A 
Noble gases 
Group B 
Transition elements 
Nucleus composition 
Protons and nuetrons 
1 amu 
1/12 mass of carbon 12 
Proton mass 
1.007 amu 
Nuetrons mass 
1.008 amu 
Ele...
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CHEM 210 MODULE 3 EXAM QUESTIONS AND CORRECT ANSWERS, WITH COMPLETE SOLUTION 2024.
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CHEM 210 MODULE 3 EXAM QUESTIONS AND CORRECT ANSWERS, WITH COMPLETE SOLUTION 2024. 
 
What is meant by the term average bond enthalpy? 
(Average enthalpy change) when one mole of bonds 
 
of (gaseous covalent) bonds is broken 
The calculated value of ΔHc from this experiment is different from the value obtained 
from data books. 
Apart from heat loss, suggest two reasons for the difference. 
Assume that the calculation has been carried out correctly. 
incomplete combustion 
non-standard conditi...