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120 Chemistry I (SCP) 522
130 Unit 7 States of Matter & Distillation
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300 How can solutions be purified in the lab?
300 Can the boiling point of a substance be changed?
300 What is happening with energy as a substance goes from a solid to a liquid to a gas?
400 Measuring temperature and pressure and converting between units
400 The boiling process
400 Time, temperature heating, and cooling curves
400 Energy changes during heating and cooling through the 3 states of matter and heats of fusion and vaporization
400 Specific heat
400 Sublimation
400 Graphing vapor pressure vs temperature and using the graph to determine the boiling point of water at a variety of pressures
400 The process of distillation
400 The workings of a pressure cooker
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500 Students will develop the ability to:
500 Convert between various temperature and pressure units
500 Draw and interpret heating, cooling curves
500 Prepare a graph of vapor pressure vs. temperature for water and drawing the best fit curve
500 Use the above graph to determine the boiling point of water at a variety of pressures
500 Set up and complete a distillation of sea water to obtain pure water
500 Use an electrical conductivity apparatus to determine the purity of water
500 Determine the mass accountability of a distillation
500 Explain energy changes during the conversion of a solid to a gas
600 Practice converting between various temperature and pressure units i.e. psi to mm of Hg
600 Develop an understanding of how a mercury barometer works
600 Analyze heating and cooling curves and explain the energy changes that occur as solids are heated to gases
600 Use intermolecular forces of attraction to predict how large or small heats of fusion and vaporization wil be
600 Use specific heat values to predict how fast or slow something will heat up
600 Prepare a graph of water's vapor pressure at various temperatures and draw the best fit curve
600 Use this graph to determine the boiling point of water at various pressures
600 Demo:  boiling water with no heat and the effect of a vacuum on a peep
600 Demo:  how a pressure cooker works
600 Set up a distillation apparatus and complete a distillation of sea water
600 Use an electrical conductivity apparatus to determine the purity of the collected distilled water
600 Determine the mass accountability of this distillation and other example distillations
600 Complete an error analysis to explain mass accountability
600 Use a Vernier temp. probe and a CBL to collect data during the distillation and download data to a computer to prepare a portion of a heating, cooling curve
600 Explain the energy changes on the above heating,cooling curve
600 Demo lab activity:  boiling by cooling.  Students will determine the pressure inside the flask at each boiling episode using their graphs
600 Demo:  the soda geyser and elephant toothpaste
600 Peer check and tutor with module 7 practice test
700 Lab reports
700 Performance based grading of graphing exercises
700 Practice tests
700 Tests