Quantitative Lesson 45 "Empirical Formula Assessment"
Science and Technology Standards:
PA Standard 3.4.10A: Classify and describe, in equation form, types of chemical and nuclear reactions
Anchor Assessment S11.A.2.1: Apply knowledge of scientific investigation or technological design to develop or critique aspects of the experimental or design process.
Anchor Assessment S11.A.3.3: Compare and Analyze repeated processes or recuring elements in patterns.
Purpose:
1. I will use fence posting to solve problems.
2. I will convert normal notation to scientific notation.
3. I will convert scientific notation to normal notation.
4. I will use fence posting to solve moles, molecules, and grams problems.
5. I will write the polyatomic ions from their name.
6. I will write the name of polyatomic ions when give their formula.
7. I will calculate the percent composition of a compound.
8. I will calculate the empirical formula of a compound.
9. I will calculate the molecular formula of a compound.
Homework Due:
1. Read and take notes on Sections 8.2 - 8.8 (Due Lesson 39)
2. Avogadro's Number Lab Report (Due Lesson 40)
Handouts/Supplies:
1. Empirical Formula WS #2 (Due Lesson 45)
I. Introduction
Opening Assignment:
Warm-Up: Calculate the empirical formula of quiz for 59.78% lithium and 40.22 % nitrogen.
Review warm-up
State the purpose
II. The Lesson:
Activity #1: Review the empirical formula calculation of 59.78% lithium and 40.22 % nitrogen
Activity #2: Review Empirical Formula WS #2
Activity #4: Complete Empirical Formula Assessment
Activity #7: Review Empirical Formula WS #2.1
III. Closure:
Summary Assignment:
Summarize today's lesson
1. I will use fence posting to solve problems.
2. I will convert normal notation to scientific notation.
3. I will convert scientific notation to normal notation.
4. I will use fence posting to solve moles, molecules, and grams problems.
5. I will write the polyatomic ions from their name.
6. I will write the name of polyatomic ions when give their formula.
7. I will calculate the percent composition of a compound.
8. I will calculate the empirical formula of a compound.
9. I will calculate the molecular formula of a compound.Homework Assignment (Write down in planners):
1. Percent Compositon/Empirical Formula WS #3: 1 - 5 (Due Lesson 40)
2. Avogadro's Number Lab Report (Due Lesson 40)
3. Semester Test Review (Due Lesson 41)Preview of Next Class:
1. Percent Composition/Empirical Formula Assessment
2. Semester Test #2 Review