'Oxygen gases' diaporamas de présentation

Chemical Equilibrium

Chemical Equilibrium. Chemistry in Two Directions. Chemical Reactions. Up until now, we have talked about reactions as though they proceed in one direction: from left to right, as written in a balanced equation: A (aq) + 2 B (aq) ? 6 C (aq) In fact, this is rarely true.

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Chemical Equations

Chemical Equations. What is a reaction?. A chemical reaction occurs when the bonds between the outermost parts of atoms are formed or broken Chemical reactions involve changes in matter, the making of new materials with new properties, and energy changes

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Chemistry 142 Chapter 14: Chemical Equilibrium - Review

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Electrochemistry (Ch 11)

Electrochemistry (Ch 11). 1. Define: a. galvanic (voltaic) cell b. electrolytic cell. Electrochemistry (Ch 11). 2. Draw the galvanic cells based on the following reactions in a diagram and in line notation. Give the overall reaction, label the anode and cathode and calculate E ? cell .

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Hydrogen electrolysis

Hydrogen electrolysis. Hydrogen electrolysis is the process of running an electrical current through water (H 2 O) and separating the hydrogen from the oxygen. Process is the REVERSE of what occurs in a fuel cell. (-) (+). 9v. + / -. e. -. e. -. e. -. H 2. O 2. e. -.

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