# Djhs Chemistry Unit 5 Homework

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Objectives:

Count how many digits in a given measurement are significant.
Add and subtract measurements, and round the answer to the correct number of significant figures.
Multiply and divide measurements, and round the answer to the correct number of significant figures.

In Class:
Go over the Unit 4 Naming Quiz
Unit 5 Notes: Significant Figures

Homework:
Unit 4 Naming Quiz Corrections
Unit 5 Significant Figures W.S.

Friday 11/3
Objectives:

Correct the Significant Figures Homework
Convert between two sets of units using proportions.
Convert between two sets of units using conversion factors.
Improve visual estimation skills for metric volumetric units.

In Class:
Unit 5 Notes: Conversions
Estimation Lab (volume)

Homework:
Unit 5 Conversion W.S. #1

Tuesday 11/7
Objectives:

Convert between two sets of units using proportions.
Convert between two sets of units using conversion factors.
Improve visual estimation skills for metric mass units.

In Class:
Correct the Conversion W.S. #1` Homework
Unit 5 Notes: Conversions with speed and density
Estimation Lab (mass)

Homework:
Unit 5 Conversion W.S. #2

Wednesday 11/8
Objectives:

Use dimensional analysis to solve a variety of problems.
Use moles to count large quantities in groups.

In Class:
Correct the Conversion W.S. #2 Homework
Notes: Moles
Penny Demo: counting by weighing
Quiz

Homework:
Mole W.S. #1

Thursday 11/9
Objectives:

Convert between mass, moles, and items

In Class:
Correct Mole W.S. #1
Go over the Quiz
Notes: Mass <-->Moles <--> items
Lab: Measure out 1 mole of a variety of substances

Homework:
Corrections on Mole W.S. #1

Friday 11/10
Objectives:

Review significant figures rules, metric conversions, molar conversions.

In Class:
Quiz
Chalk Lab
Pencil Lab

Homework:
Finish the Chalk and Pencil Lab Questions

Monday 11/13
Objectives:

Calculate the height of one mole of M&Ms poured over the state of MO.

In Class:
Go over the Quiz
Candy Mole Lab

Homework:
Candy Mole Lab

Tuesday 11/14
Objectives:

Use dimensional analysis to solve a variety of problems.
Solve for the chemical formula of an unknown substance given percent compositions.

In Class:
Collect the Candy Mole Lab
Notes: Percent Composition
Copper Oxide Lab

Homework:
Happy Thanksgiving!

Wednesday 11/15
Objectives:

Use Molar Ratios to convert between moles of one substance and moles of another substance.

In Class:
Review our conversion roadmap
Notes: molar ratios

Homework:
Mole Conversion W.S. #2

Thursday 11/16
Objectives:

Use Molar Ratios to convert between moles of one substance and moles of another substance.
Improve visual estimation skills for metric distanceunits.

In Class:
Correct Mole W.S. #2
Estimation Lab (distance)

Homework:
Mole W.S. #3

Friday 11/17
Objectives:
Use Molar Ratios to convert between moles of one substance and moles of another substance.
Solve for the chemical formula of an unknown substance given percent compositions.

In Class:
Quiz: Molar Ratios
Notes Empirical Formulas
Crime Solvers Assignment

Homework:
Crime Solvers

Monday 11/20
Objectives:

Solve for the chemical formula of an unknown substance given percent compositions.

In Class:
Crime Solvers
Practice Test

Homework:
Unit 5 Practice Test

Tuesday 11/21
Objectives:

Asses the mastery of Unit 5 Objectives

In Class:
Quiz: Significant Figures, Conversions, Moles, and Empirical Formulas

Homework:
Video notes: "Unit 6: Balancing Chemical Reactions"