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Linear Algebra: Visualizations of Left Nullspace and Rowspace
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This 20-minute video lesson looks at the relationship between left nullspace, rowspace, column space and nullspace. [Linear Algebra playlist: Lesson 98 of 143]

Subject:
Algebra
Mathematics
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
02/20/2011
Number Sets
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CC BY-NC-SA
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This lesson discusses how to identify sets of numbers as natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.

Subject:
Mathematics
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
07/15/2011
Number Sets
Conditional Remix & Share Permitted
CC BY-NC-SA
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This lesson discusses how to identify sets of numbers as natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.

Subject:
Mathematics
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
07/15/2011
Organic Chemistry: Acid Chloride Formation
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CC BY-NC-SA
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This 12-minute video lesson discusses acetic acid to acetyl chloride mechanism. They can be generalized to forming any acid halide from a carboxylic acid. [Organic Chemistry playlist: Lesson 69 of 73].

Subject:
Chemistry
Physical Science
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan, Salman
Date Added:
02/20/2011
Organic Chemistry: Addition of Water (Acid-Catalyzed) Mechanism
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CC BY-NC-SA
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This 13-minute video lesson considers the addition of Water (Acid-Catalyzed) Mechanism. [Organic Chemistry playlist: Lesson 29 of 73].

Subject:
Chemistry
Physical Science
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
02/20/2011
Organic Chemistry: Amides, Anhydrides, Esters and Acyl Chlorides
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CC BY-NC-SA
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This 9-minute video lesson looks at carboxylic Aacid Derivatives: amides, anhydrides, esters and acyl chlorides. [Organic Chemistry playlist: Lesson 70 of 73].

Subject:
Chemistry
Physical Science
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
02/20/2011
Organic Chemistry: Cahn-Ingold-Prelog System for Naming Enantiomers
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This 11-minute video lesson looks at the Cahn-Ingold-Prelog System for Naming Enantiomers. [Organic Chemistry playlist: Lesson 22 of 73].

Subject:
Chemistry
Physical Science
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
02/20/2011