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Chapter 18:

Chapter 18:

Chapter 18:. Oxidation-Reduction ( Redox ) Reactions and Electrochemistry. Students will learn about. What is redox reaction? Assigning oxidation states Oxidizing agent; Reducing agent Balancing redox reactions Half-reaction method Applications of electrochemistry electroplating

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Chapter 20

Chapter 20

Chapter 20. Redox Reactions. What is oxidation?. Oxidation occurs when an atom loses electrons. (OIL) Oxidation may or may not involve oxygen Oxidation may or may not involve burning material. What is reduction?. Reduction occurs when an atom gains electrons. (RIG)

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Topic: Redox

Topic: Redox

Topic: Redox. Aim: How do we find the oxidation numbers of an element? Do Now: What are the possible oxidation #s of gold? Neon? Mg? Cl? HW: finish ox states wkst. Assigning Oxidation States. Oxidation states/ numbers - used to identify what has been oxidized and reduced in a rxn

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Why Is Electrochemistry Important?

Why Is Electrochemistry Important?

Why Is Electrochemistry Important?. Chevy Volt. cellular respiration. photosynthesis. alcohol metabolism. Oxidation-Reduction (REDOX) Reactions . 1. Reaction with oxygen. e.g. CH 4 + 2 O 2 ? CO 2 + 2 H 2 O. methane ice. 2. Transfer of electrons. OXIDATION (loss of electrons).

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Oxidation Numbers

Oxidation Numbers

Oxidation Numbers. p.232-234. Assigning Oxidation Numbers. Oxidation Number : positive or negative number assigned to an atom according to a set of rules. Rules for Assigning Oxidation Numbers. The oxidation number of any free element is 0 - Na or O 2

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Oxidation numbers

Oxidation numbers

Oxidation numbers. Oxidation numbers. Oxidation numbers are used to describe the distribution of electrons among bonded atoms. Covalent bonds involve sharing of electrons, but oxidation numbers show what the distribution would be if the electrons were completely transferred.

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557 views • 6 slides

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