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Air Pollution Animation 2

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1458
00:12

Air Pollution Animation 1

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667
00:37

Air Pollution Part 4

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704
08:45

Air Pollution Part 3

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722
06:06

Air Pollution Part 2

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722
06:23

Air Pollution Part 1

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699
07:18

Flex Introduction 9.5

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708
02:29

Stoichiometry Crash Course

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1384
25:30

Percent Error Help

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1435
02:57

Percent Yield Calculations

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1310
11:50

percent yield help

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1289
08:29

Grams to Moles and Moles to molecules

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1183
09:27

Grams to moles

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1150
05:25

Balance Equations

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1993
18:17

How to find Empirical Formula

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1273
03:12

How to classify matter

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1071
04:22

Classifying Matter Song

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1454
04:10

safety video 12

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1224
00:55

safety video 19

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1216
01:43

safety video 18

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1205
00:47