Friday, 1/8

Work day to continue working on the reactions for the PPT lab.

Homework:

  • Your finished complete ionic and net ionic equations for each reaction (combinations where you got a PPT) must be entered into Webassign – Due Weds. 1/20.
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Thursday, 1/7

Post-lab analysis. The goal is to determine the identity of the precipitates for each combination that gave a reaction. Once the list is complete, watch the video on writing reactions, and then get started writing the reactions.

General process (note I’m leaving out charges here just because this editor can’t do superscript/subscript):

  1. For all boxes in all sets where you had a PPT, write the new combinations of ions that might be your PPT.
    1. Example: For the intersection of Ba & Cl with Na & CrO4, new combinations could be Ba & CrO4 or Na & Cl.
    2. If a particular combo is already on your list of possibilities, there’s no need to add it again – the goal is to generate a list of unique combinations that might or might not be causing a solid.
  2. Once you have that list, next is to determine which pairs result in solids and which don’t. This behavior for a particular pair of ions is universally consistent – either  they always do, or they always don’t.
    1. Turns out you can’t figure out pairs that do directly – you have to find ones that don’t, and use process of elimination.
      1. Example: Na & Cl also show up in the intersection of Ba & Cl with Na & NO3. There was no PPT there, so Na & Cl don’t make a PPT. Therefore, in my first example, it must be the Ba & CrO4 that made the PPT.
    2. Any pairs you determine make a PPT, put on one list (Yes). Any pairs you determine don’t make a PPT, put on a different list (No).
    3. Your Yes list is the PPTs for your lab.

Handout needed:

  • Get the handout from me tomorrow, or download the handout from Schoology

Homework:

  • For tomorrow, finish building list of PPTs and watch the video
  • Lab Notebook Q2 due tomorrow!
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Wednesday, 1/6

PPT Lab – get data and pictures from your lab partners!

Please bring your earbuds tomorrow!

Homework:

  • Lab Portfolio Q2 due Friday 1/8
  • Unit 6 test corrections done by Friday 1/8
  • Unit 7 test corrections done by Tuesday 1/12
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Tuesday, 1/5

Went over Unit 7 test – speak to me to see yours.

Activity outlining/organizing discussion paragraph for Determining R lab.

Pre-lab setup of data tables for tomorrow’s lab.

Handouts Needed:

  • Lab procedure and data charts for lab – see me for copies.

Homework:

  • Lab Portfolio Q2 due Friday 1/8
  • Unit 6 test corrections done by Friday 1/8
  • Unit 7 test corrections done by Tuesday 1/12
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Monday, 1/4

Start of Unit 8 – Solutions!

Files Needed:

  • Notes – Intro to Solutions

Completed Notes:

Homework:

  • Lab Portfolio Q2 due Friday 1/8
  • Any test corrections for Unit 6 need to be done by Friday 1/8
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Friday, 12/18

Test on Unit 7. If you were absent, be sure and speak to me when we get back Monday – you will be expected to take the test no later than Wednesday.

Homework:

  • Determining R lab report – due Monday 1/4
  • LAB PORTFOLIO Q2 DUE FRIDAY 1/8!
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Thursday, 12/17

Review/Q&A time for the test tomorrow.

Homework:

  • Webassign 10 – Due today
  • Unit 7 test – tomorrow
  • Determining R lab report – due Monday 1/4
  • LAB PORTFOLIO Q2 DUE FRIDAY 1/8!
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