Chemistry > EXAM > Chem 10401 _ Acid Base Investigation_1 lab_2020 | PhET Investigation of Acids-Bases_Graded A (All)

Chem 10401 _ Acid Base Investigation_1 lab_2020 | PhET Investigation of Acids-Bases_Graded A

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Chem 10401 Acid_Base_Investigation_1_lab PhET Investigation of Acids-Bases Introduction 1. Take a few minutes to play with the sim (http://phet.colorado.edu/en/simulation/acid- base-solutions).... Check out both the Introduction and Custom Solution tabs. Explore what factors affect pH. List the factors you found that affect pH. • Strong Acid • Strong Base • Weak Acid • Weak Base Investigating Concentration Changes 2. a. Create a strong acid solution in the “Custom Solution” tab. b. Draw bar graphs for Initial and Equilibrium concentrations. Hints: No calculator needed – try the ‘Equilibrium Concentration’ view. Don’t forget to label your graphs! Initial Concentrations Equilibrium Concentrations c. What equilibrium concentrations are affected by changing the initial concentration? There is no change in reactant side but there is a slight increase in the product side 3. a. Create a weak acid solution in the “Custom Solution” tab. b. Draw bar graphs for Initial and Equilibrium concentrations. Hints: No calculator needed – try the ‘Equilibrium Concentration’ view. Don’t forget to label your graphs! Initial Concentrations c. What equilibrium concentrations are affected by changing the initial concentration? Reactant side is negatively affected meaning equilibrium concentration is decreasing while in product side the equilibrium concentration is increasing. [Show More]

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