'Mol kcl' diaporamas de présentation

Thermochemistry

Thermochemistry. Thermochemistry. Chemical reactions are accompanied by changes in energy. Definitions:. Energy:. The ability to do work, w = f x d. K.E. =1/2mv 2 energy in motion. What are some forms of kinetic energy?. Mechanical, electrical, thermal, sound, etc (Motion).

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Solutions

Solutions. Chapter 17-18. Solutions. Homogeneous mixture of two or more substances in a single phase Solute: substance being dissolved Solvent: dissolving medium- substance doing the dissolving; if in doubt, substance that occurs in largest amount

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Ch. 9 - Stoichiometry

Ch. 9 - Stoichiometry. I. Stoichiometric Calculations (p. 236-265). A. Proportional Relationships. Ratio of eggs to cookies. How many eggs are needed to make 12 dozen cookies?. 2 1/4 c. flour 1 tsp. baking soda 1 tsp. salt 1 c. butter 3/4 c. sugar. 3/4 c. brown sugar

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Ch 17-18 Review

Ch 17-18 Review. 1. A clear solution of silver nitrate is mixed with a solution of sodium chloride and a white precipitate forms. Write a balanced equation for this reaction. Write a complete ionic equation. Write a net-ionic equation. 2. Define the following: a. Hydrogen bonds

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Solution Concentration

Solution Concentration. Concentration: a measure of how much solute is dissolved in a specific amount of solvent or solution Concentration may be described qualitatively using the words concentrated or dilute

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II. Stoichiometry in the Real World

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Aqueous Solutions

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2KClO 3 (s) ? 2KCl (s) + 3O 2 (g)

Given the following UNBALANCED equation, determine how many moles of potassium chlorate are needed to produce 10.0 mol of oxygen gas. 2KClO 3 (s) ? 2KCl (s) + 3O 2 (g). 10 mol O 2 x 2 mol KClO 3 = 6.67 mol KClO 3 3 mol O 2.

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