Class
- Is matter conserved?
- Formula Weights 1/2 sheet
- additional practice: NaHCO3, H2O, CO2, CH3COOH, HCl, Na2CO3
- additional practice: NaHCO3, H2O, CO2, CH3COOH, HCl, Na2CO3
- Balancing chemical equations using models
- building molecular models for equations, calculating formula mass, determining whether conservation of mass occurred
- Post lab questions
- Why were there leftover or missing atoms in Round 1?
- What was done with the #'s in front of formulas in Round 2? Why?
- Why was mass conserved in Round 2?
- Why were there leftover or missing atoms in Round 1?
- turned into the basket before leave
- building molecular models for equations, calculating formula mass, determining whether conservation of mass occurred
- Formula Weights 1/2 sheet
HW
If you missed today you missed a lab, you need to plan to come in tomorrow during lunch to make up this lab.
Class
- Characteristics of solids lab
HW
- Flipped 7.4 -- watch the Crash course video