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Mastering Chemical Equations and Precipitation: Strategies for STAAR/EOC Success

This guide focuses on essential strategies for assessing chemistry changes, particularly in understanding chemical equations and precipitation reactions. Students will learn to identify reactants and products in equations, apply solubility rules to find insoluble products, and perform calculations involving relative abundance and mass. With a step-by-step approach, including practice with griddable answers, this resource aims to prepare students effectively for the Chemistry STAAR/EOC assessments. Support and professional development opportunities are also available through our dedicated science team.

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Mastering Chemical Equations and Precipitation: Strategies for STAAR/EOC Success

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  1. Assessing Chemistry

  2. Changes

  3. TAKS: Biology & IPC

  4. Chemistry STAAR EOC

  5. Released TAKS Questions

  6. Step 1: Recognize which side of the equation the reactants are located on and which side the products are located on. Step 2: Use Solubility Rules on Reference Chart to determine which product is insoluble, or a precipitate.

  7. Reference Charts

  8. Released Question from Chemistry EOC Step 1: Convert % to Decimals. Step 2: Multiple Relative Abundance by Mass. Step 3: Add the numbers for final answer. Step 4: Round correctly to the nearest hundredth and grid answer.

  9. Griddable TAKS STAAR / EOC

  10. Preparing for Success State Created Chemistry Professional Development • Chemistry EOC Success part 1 and part 2 • Part 1 is available online via Project Share State Created Support for Students • On Track Chemistry Course

  11. Preparing for Success Ensuring frequent practice with: • Correctly filling in griddable • Working multi-step problems • Data in Lab settings Chemistry Workshop Series offered throughout the school year for teacher support!

  12. Contact the Science Team • Kristen Hillert: Secondary Science Kristen.hillert@esc13.txed.net 512-919-5358 • Jennifer Jordan–Kaszuba: Secondary Science Jennifer.jordan-kaszuba@esc13.txed.net 512-919- 5368 • D’AnnaPynes: Elementary Science Danna.pynes@esc13.txed.net 512-919-5227

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