CHEM12A (12A)

De Anza College

Here are the best resources to pass CHEM12A (12A). Find CHEM12A (12A) study guides, notes, assignments, and much more.

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Electrons (cont.d) and Skeletal Structures

Class notes

Electrons (cont.d) and Skeletal Structures
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6

September 2025

2025/2026
Continuation of prior Electrons study notes along with new material covering skeletal structures, electron configuration, and hybridization. Bond order included.
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Organic Chemistry Acid-Base Extraction Lab Summary (prelab)

Class notes

Organic Chemistry Acid-Base Extraction Lab Summary (prelab)
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1

6

September 2025

2025/2026
Summary/overview of the acid-base extractions lab in the first course of organic chemistry, covering solubility, intermolecular forces, and pKa.
Popular
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4-methyl-2-pentanol Pre-Lab

Class notes

4-methyl-2-pentanol Pre-Lab
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2

November 2025

2025/2026
4-methyl-2-pentanol Pre-Lab
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De Anza - Organic Chemistry - Nucleophiles and Electrophiles

Class notes

De Anza - Organic Chemistry - Nucleophiles and Electrophiles
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2

October 2025

2025/2026
In class organic chemistry notes on nucleophiles and electrophiles
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2-chloro-2-methylbutane prelab

Class notes

2-chloro-2-methylbutane prelab
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4

October 2025

2025/2026
prelab for the synthesis of 2-chloro-2-methylbutane from 2-chloro-2-methylbutanol
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Alkane and Newman Projections

Class notes

Alkane and Newman Projections
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7

October 2025

2025/2026
In class organic chemistry notes going over alkanes, Newman's projections, enantiomers, and conformers (staggered and eclipsed)
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Thin Layer Chromatography Pre-Lab Organic Chemistry

Class notes

Thin Layer Chromatography Pre-Lab Organic Chemistry
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3

October 2025

2025/2026
Thin Layer Chromatography Pre-Lab Organic Chemistry
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Organic Chemistry Resonance Structures (continued)

Class notes

Organic Chemistry Resonance Structures (continued)
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4

October 2025

2025/2026
In class lecture notes on resonance continued from first part of the lecture. content includes resonance, allyl anions, conjugation, pi-orbitals, delocalization.
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Organic Chemistry Resonance Structures

Class notes

Organic Chemistry Resonance Structures
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9

October 2025

2025/2026
In class notes on resonance structures with practice problems, content on lone pairs, hybridization, lone pairs, electrons.
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Acid Base Extraction Pre-Lab

Other

Acid Base Extraction Pre-Lab
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3

September 2025

2025/2026
Acid Base Extraction Pre-Lab including SDS information and hazards, procedure, and reaction scheme
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