Tue, March 15, 2016
PERIODS 1 and 2 ONLY
Dispatch: How many ways can you think of to make a solid, such as sugar or salt, dissolve more quickly in a a given amount of water? Explain your answer.
Go over homework and questions from Monday
Homework 10 (due Th, 3/17 or Fri, 3/18)
• pg. 497, Qs. 39-41
• pg. 504, Qs. 48-50
Use each term to write a sentence using the term as the third or fourth word in the sentence.:
• heat of solution
• unsaturated solution
• saturated solution
• supersaturated solution
• Henry's Law
• colligative property
• vapor pressure lowering
• boiling point elevation
• freezing point depression
• osmotic pressure
Extra Credit #3 - (due Fri. 3/18) Do a report (300 words, in your own words) on three different non-polar solvents. Include their chemical formulas and common uses. Cite sources.
Standard(s): 6a. Students know the definitions of solute and solvent.
6b. Students know how to describe the dissolving process at the molecular level by using the concept of random molecular motion.
6c. Students know temperature, pressure, and surface area affect the dissolving process.
6d. Students know how to calculate the concentration of a solute in terms of grams per liter, molarity, parts per million, and percent composition.