'3 2 2 ag' presentation slideshows

Chapter 9 Stoichiometry

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HL3-3

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Stoichiometry

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Ch. 9: Lesson 2 -Intro to Redox Reactions-

Ch. 9: Lesson 2 -Intro to Redox Reactions-. Brief Charge Reminder. Electrons have a charge Neutral atoms have an overall charge of Adding an e- makes charge go Removing an e- makes charge go. Oxidation and Reduction.

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Are these equations balanced?

Are these equations balanced?. Remember:. A balanced equation has the same number of atoms of each element on both sides. Ex. If you start a reaction with 2 Hydrogen atoms, you need to end the reaction with 2 Hydrogen atoms. Coefficients.

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Rules for assigning Oxidation numbers:

Rules for assigning Oxidation numbers:. 1. All elements in their free state (uncombined with other elements) have an oxidation number of zero ( e.g. Na, Cu, Mg, H 2 , O 2 , Cl 2 , N 2 ).

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Percent Yield

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Unit 8

Unit 8. Redox Reactions. Oxidation and Reduction Reactions. Red uction and Ox idation ( Redox ) reactions occur when the number of electrons in a compound changes. LEO = L ose E lectrons O xidation SAYS GER = G ain E lectrons R eduction. Redox Reactions and Oxidation States.

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