Chem 241 - Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Chem 241? On this page you'll find 124 study documents about Chem 241.
Page 2 out of 124 results
Sort by
-
CHEM 241 Ch 16 Part 2 Questions And Answers Latest Update 2024
- Exam (elaborations) • 23 pages • 2024
-
- $13.49
- + learn more
Substituents on an aromatic ring can either increase or decrease the reactivity of the ring toward electrophiles. This effect is a result of the balance between - correct answers induction 
resonance 
 
Substituents may withdraw or donate electron density from/to the aromatic ring by induction, which depends on the ______ and/or ______ of the atom or group attached to the ring. - correct answers polarizability 
electronegativity 
 
Match each type of substituent to the correct inductive effect ...
-
Chem 241 UNC Final Correct Answers Latest Update
- Exam (elaborations) • 14 pages • 2024
-
- $14.49
- + learn more
Extraction - correct answers Transfer of a solute from one phase to another 
 
Eluent - correct answers Fluid entering the column 
 
Partition Chromatography - correct answers Separation based on solute dissolving into stationary liquid 
 
Ion-Exchange Chromatography - correct answers Separation based on charge, stationary phase is made of either negatively or positively charged beads 
 
Size Exclusion Chromatography - correct answers Separation based on molecular size, larger molecules elute fi...
-
Chem 241L Pollev Questions And Answers Latest Update 2024
- Exam (elaborations) • 21 pages • 2024
-
- $14.49
- + learn more
What form of bromo blue was soluble in the organic layer? 
 
a. Acidic 
b. Basic 
c. Both 
d. Neither - correct answers acidic bc its neutral 
 
What form of bromo blue was soluble in the aqueous layer? 
 
a. Acidic 
b. Basic 
c. Both 
d. Neither - correct answers basic bc it has charge on it and the aq layer in lab was polar and the basic layer was also polar 
 
when looking at the full spectra of the promo blue ranging from ph 5 to 10, the absorbance values converge. What is this point called?...
-
Chem 241 L Exam 2 Chromatography Questions And Answers Latest Update 2024
- Exam (elaborations) • 13 pages • 2024
-
- $13.49
- + learn more
Goals of separation - correct answers Recovery of product- catching the desired solute after separation 
Purity of product- how many and how much of various components 
 
Type of Chromatography - correct answers Partioning= liquid SP, liquid or gas MP 
Adsorption (Chemical sticking)- solid SP, liquid or gas MP 
Ion-Exchange- bonded anion(-) or action (+) SP, liquid MP 
Molecular Exclusion (size exclusion, gel permeation)-pores SP, liquid MP 
Affinity- Antigen/Antibody SP, liquid MP 
 
Solvent do...
-
Chem 241 Exam 3 Correct Answers Latest Update
- Exam (elaborations) • 11 pages • 2024
-
- $14.49
- + learn more
What are the wavelengths of visible light? - correct answers 400 - 800 nm 
 
How do X-Rays affect electrons? - correct answers Electronic Transitions of Core Electrons (Breaks chemical bonds and ionizes molecules) 
 
How does UV- VIS affect electrons? - correct answers Electronic Transitions of Valence Electrons (Vibrational + Rotational as well) 
 
How does IR affect electrons? - correct answers Vibrational Transitions (Rotational as well) 
 
How do Microwave waves affect electrons? - correct a...
Want to regain your expenses?
-
Chem 241 Exam 1 Correct Answers Latest Update
- Exam (elaborations) • 10 pages • 2024
-
- $14.49
- + learn more
What is the Arrhenius definition of an acid/base? - correct answers acid: increases [H30+] in solution 
base: increases [OH-] in solution 
 
What is the Bronsted-Lowry definition of an acid/base? - correct answers acid: donates H+ 
base: accepts H+ 
 
What is the Lewis definition of an acid/base? - correct answers acid: e- pair acceptor 
base: e- pair donor 
 
What are the 7 strong acids? - correct answers HCl, HBr, HI, HNO3, HClO3, HClO4, H2SO4 (first H only) 
 
What functional group do the str...
-
Chem 241 Midterm 2 Questions And Answers Latest Update 2024
- Exam (elaborations) • 10 pages • 2024
-
- $14.99
- + learn more
what are the two forms of hydrogen and how can we determine which it is within a bond? - correct answers Hydrogen can either be acidic (+) or hydridic (-). we can determine which it is in a certain bond by looking at the dipole and electronegativity of both atoms. 
 
what is an anion? - correct answers an atom with more electrons and a negative charge 
 
what is a cation? - correct answers an atom with less electrons (missing some) and a positive charge 
 
describe the radius of neutral atoms, c...
-
Chem 241 Lab Final Exam Questions And Answers Latest Update 2024
- Exam (elaborations) • 10 pages • 2024
-
- $14.49
- + learn more
the importance of TMS (CH3)4Si - correct answers -TMS is extremely shielded (more so than most organics) 
-1 sharp spike at 0, due to 12 equivalent protons 
-chem. Inert 
-low BP, easily removed 
 
Beer's Law - correct answers A=abc 
A=absorbance 
a=molar absorptivity 
b=path length 
c=concentration 
know how to find c= 
if λ=max then a is constant 
if a standardized cuvette is used b is constant 
if A, b, and a are known, then c can be calculated, but only if all those criteria are met! 
(A ...
-
CHEM 241 ORGANIC CHEMISTRY STUDY GUIDE 2024 CHIRALITY
- Exam (elaborations) • 13 pages • 2024
-
- $27.99
- + learn more
CHEM 241 ORGANIC CHEMISTRY STUDY GUIDE 2024 CHIRALITYCHEM 241 ORGANIC CHEMISTRY STUDY GUIDE 2024 CHIRALITYCHEM 241 ORGANIC CHEMISTRY STUDY GUIDE 2024 CHIRALITYCHEM 241 ORGANIC CHEMISTRY STUDY GUIDE 2024 CHIRALITY
-
CHEM 241 ORGANIC CHEMISTRY STUDY GUIDE 2024 CHIRALITY
- Exam (elaborations) • 13 pages • 2024
-
- $11.49
- + learn more
CHEM 241 ORGANIC CHEMISTRY STUDY GUIDE 2024 CHIRALITYCHEM 241 ORGANIC CHEMISTRY STUDY GUIDE 2024 CHIRALITYCHEM 241 ORGANIC CHEMISTRY STUDY GUIDE 2024 CHIRALITY
How much did you already spend on Stuvia? Imagine there are plenty more of you out there paying for study notes, but this time YOU are the seller. Ka-ching! Discover all about earning on Stuvia