# Chemistry Honors – Class 06

Woobie Time

Dates

- Periods B, D: Friday, September 4th
- Period G: Monday, September 8th

Activity Review

- Data – anything direct from the lab
- Calculations – anything interpreted from the lab
- Data table? Show work?

Determine the Densities of These

- Sample A: V1 = 23.4 mL, V2 = 23.7 mL, m = 1.91 g
- Sample B: V1 = 23.4 mL, V2 = 23.8 mL m = 1.91 g
- Sample C: V1 = 23.4 mL, V2 = 45.7 mL, m = 85.22 g

Chapter Review – Learning Objectives

- Write the SI prefixes, symbols, exponent: mega, kilo, milli, micro, nano
- Calculate the density given volume and mass information
- Determine the proper measurement using a measuring device
- Calculate the percent error of a measurement
- Identify the size and source of uncertainty in a measurement
- Perform calculations using the rules of significant figures
- Write numbers using scientific notation and standard notation
- Use dimensional analysis to convert between units
- Treat units with respect

In-Class Activity

- Sample problems – Ch. 1 (33 – 40, 71, 72)
- Note – some have already been assigned
- Note – answer key in Schoology resrouce folder for the course
- Attempt some that you haven’t yet done already (pick and choose)

Homework

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