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Archive for month: January, 2026

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Photo of the Osage Trail located at the Clark's Hill/Norton State Historic Site near Osage City, MO.© 2026 Catherine Haslag, All Rights Reserved

Sabbatical Leave: December Update

January 8, 2026/in Sabbatical/by Catherine Haslag
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https://haslag.us/wp-content/uploads/2026/01/December-Sabbatical-Featured-scaled.jpg 2560 2560 Catherine Haslag https://haslag.us/wp-content/uploads/2022/02/CSH-Name-Spark-Haslag.us-680x312-1.png Catherine Haslag2026-01-08 10:37:102026-01-08 10:42:35Sabbatical Leave: December Update

Pages

  • Acid Rain Assignment
  • CHEM 1000 – Introduction to Chemistry Laboratory Manual
  • CHEM 1121 – General, Organic, and Biochemistry
  • Chemical Properties of Matter
  • Curriculum Vitae
  • Determination of Allura Red Concentration in Mouthwash
  • Determination of the Percent Mass of Carbon Dioxide in Pop Rocks®
  • Determining the Concentration of a Saturated Solution
  • Emission Spectra Laboratory Experiment
  • Experimental Determination of the Solubility Product of Calcium Hydroxide
  • Extra Credit Opportunities
  • Freezing Point Depression
  • General Chemistry II Laboratory
  • Greenhouse Gases Assignment
  • How to Access Online Office Hours
  • How to Review Feedback, Quizzes, and Electronic Assignments in Brightspace
  • Ideas and Insights
  • Osmosis and Diffusion
  • Paper Chromatography
  • Paper Chromatography of Food, Drug, and Cosmetic Dyes
  • pH of Household Chemicals
  • Physical Properties of Matter Experiment
  • Professional Bio
  • Projects
  • Properties of Ionic and Covalent Compounds
  • Rates of Reaction Laboratory Experiment
  • Rates of Reaction: The Iodine Clock
  • Resources
  • Resources for Riverland Students
  • Science Fair Guidance For Parents
  • Science Fair Help For Students
  • Science Fair Mentoring Project
  • Science Fair Resources for Everyone
  • Science Fair Resources For Teachers
  • Stoichiometric Determination of Carbon Dioxide Produced from Alka Seltzer®
  • The Lab
  • The Law of Conservation of Matter
  • Welcome to the class! Let me introduce myself.
  • What Gives Fireworks Their Brilliance?
  • What is in my Blood?
  • Who Was Typhoid Mary?
  • Environmental Chemistry Project
  • Laboratory Safety
  • The Scientific Method
  • Ocean Acidification Experiment
  • Experimental Determination of an Equilibrium Constant
  • Ocean Chemistry and Equilibrium Case Study
  • Acid-Base Titration
  • Laboratory Equipment Used In This Class
  • Microplastics
  • Qualitative Analysis
  • Redox Titration of Vitamin C
  • Is the Science Behind Breaking Bad Solid?

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