31/10: Ionic equations and reacting masses

• Chemistry
• Secondary Education

Pres_Template

CHEMISTRY 10

19: Chemical equations

Week 12

W E L C O M E !       Today is the 31st of October, 2024.

• Where will you put your learning materials: notebook, coursebook, pen and pencil, and fully-charged laptop?
  
• Have you kept your phone in your locker?
• Have you gone to the bathroom before the class starts?
• Have you checked any announcements or missing work on our Google Classroom?
• Are you seated in your assigned chair?

• construct symbol equations with state symbols, including ionic equations.

• calculate reacting masses in simple proportions. 

Split

Add

Delete

-

+

HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l

Writing ionic equations

HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l)

SAD

Writing ionic equations

HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l)

SAD

Writing ionic equations

Split

HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l)

SAD

Writing ionic equations

Split

Add

HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l)

SAD

Writing ionic equations

Split

Add

Delete

HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l)

SAD

Writing ionic equations

Split

Add

Delete

Ionic equation :

Ionic equations

• simplified equations for reactions involving ionic substances: only those ions that undergo change in charge are shown.

Guided Practice

• Continue on page 4 of your learning module.
• Study the sample question.
• Do (a) and (b).
• If you have any questions, please raise your hand.

Pres_Template

CHEMISTRY 10

20: Reacting Masses

Week 12

• construct symbol equations with state symbols, including ionic equations.

• calculate reacting masses in simple proportions. 

Read-Pair-Share

• Continue on page 5 of your learning module.
• Read the text about calculating reacting masses from equations.
• Pair up with your seatmate(s).
• Share your insights with your partner(s).

What have you learned from your reading? Write one in a sentence.

Symbol

Identify

Mass

Guided Practice

• Magnesium reacts with oxygen to form magnesium oxide. How many grams of magnesium reacts with excess oxygen to produce 160 grams of magnesium oxide?

Calculating reacting masses

Guided Practice

• Magnesium reacts with oxygen to form magnesium oxide. How many grams of magnesium reacts with excess oxygen to produce 160 grams of magnesium oxide?

SIM

Calculating reacting masses

Guided Practice

• Magnesium reacts with oxygen to form magnesium oxide. How many grams of magnesium reacts with excess oxygen to produce 160 grams of magnesium oxide?

SIM

Symbol

Calculating reacting masses

Guided Practice

• Magnesium reacts with oxygen to form magnesium oxide. How many grams of magnesium reacts with excess oxygen to produce 160 grams of magnesium oxide?

SIM

Symbol

Identify

Calculating reacting masses

Guided Practice

• Magnesium reacts with oxygen to form magnesium oxide. How many grams of magnesium reacts with excess oxygen to produce 160 grams of magnesium oxide?

SIM

Symbol

Identify

Mass

Calculating reacting masses

Guided Practice

• Continue on page 6 of your learning module.
• Study the sample question.
• Do (B) and (C).
• If you have any questions, please raise your hand.

Share your thought process.

I can calculate reacting masses in simple proportions.

Yes, I can confidently do it.

Yes, I can but need more practice.

No, I lack confidence so I need more practice or ask help from my teacher.

I can construct symbol equations with state symbols, including ionic equations.

Yes, I can confidently do it.

Yes, I can but need more practice.

No, I lack confidence so I need more practice or ask help from my teacher.

Pres_Template

STEM Project

Building a Futuristic City Scale Model

Week 11