### Changes and additions you need to know about

DateAnnouncementsPage Location
2/5/2018 LINK - PhET Sim Balancing Chemical Equations used in class today with Chromebooks PhET Sim Balancing Chemical Equations
2/2/2018 Video recorded during 6th period. I show a different method of completing and balancing double replacement reactions. The video is long, so fast forward the information that you don't need. Be sure to follow at least one of the 3 examples all of the way through. Today's Lesson on completing and balance equations for double replacement reactions
1/29/2018 Links for all the papers needed in the MISC section of your notebook Charts for Miscellaneous section of notebook
1/27/2018 RUBRIC for Notebook 1 for Chem 2 (2nd Semester) is available at this link RUBRIC for Notebook 1 for Chem 2
1/16/2018 PhET Simulation for Molecular Shapes PhET - Molecular Shapes Sim
1/10/2018 FOR STUDENTS NEW TO ME
#4 on your handout "Chemistry - First day’s assignment Fall 2010 (file MISC)"
Help for solving p. 29 1-3
Questions on ------- Density = mass (g) / volume (mL which is same as cm3)
1. They give you both mass (147g) and volume (difference between 20mL and 41mL).
2. They give you Density and g. Plug those numbers in to density formula to find volume (cm3
3. They give you g and cm3. Plug those into the density formula and find density.
Then compare to density given in Table C on p. 914. Find the density of aluminum. If your density is close to aluminum, it will be pure Al, if not, it is not pure Al.
1/9/2018 ChemThink - Molecular Shapes link - go to 2nd row of sims, far left ChemThink - Molecular Shapes
1/8/2018 ChemThink - Molecular Shapes - direct link ChemThink - Molecular Shapes
12/14/2017 Link for PhET simulation on Building Molecules PhET simulation Molecular Shapes
12/13/2017 LINK - ChemThink - Molecular Shapes ChemThink - Molecular Shapes

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