Chemistry 11: We began with a short review of the categories of matter - we discussed a few kitchen ingredients, then we looked at microscopic views of matter to review pure/mixture and element/compound differences. After taking brief notes on the Particles that make up Matter, we read section 3.3 in Hebdon and completed Unit 3 # 33-44. Time was provided to finish Unit 3 # 1-3,5,13-15 too. In the second half we determined the density of 4 materials (metal, non-metal solid, water, colored liquid) to practice proper scientific measuring. I asked that the density results be reported to 5 digits.
Chemistry 12: We completed the procedure for Lab 18C today, and some of us began the analysis. I collected Unit 1 # 14-22 as well. Next day there will 45 minutes devoted to Lab 18C, and it will be due on Tuesday next week.
Wednesday, Sept 16
Chemistry 11: We began with a short review of the categories of matter - we discussed a few kitchen ingredients, then we looked at microscopic views of matter to review pure/mixture and element/compound differences. After taking brief notes on the Particles that make up Matter, we read section 3.3 in Hebdon and completed Unit 3 # 33-44. Time was provided to finish Unit 3 # 1-3,5,13-15 too. In the second half we determined the density of 4 materials (metal, non-metal solid, water, colored liquid) to practice proper scientific measuring. I asked that the density results be reported to 5 digits.
Tuesday, Sept 15
Chemistry 11: We checked our work on the Intro to Measurement WS by using this key, then we took brief notes on the Categories of Matter. Following this we then we filled in the right-most column on the Properties of Matter task from Monday, noting if the samples were pure/mixtures, homogeneous/heterogeneous We read sections 3.1 and 3.2 in Hebdon, then we started Unit 3 # 1-3, 5, 13-15 - these questions are not due next class.
Chemistry 12: We began with a mini review of rates problems, then we filled in the right column on our Factors that affect Rates of Reaction notes. We read 1.4 and 1.5, and completed Unit 1 # 14-22. I collected Lab 7 today.
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