Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition...
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Transcript of Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition...
![Page 1: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/1.jpg)
Daily Quiz
![Page 2: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/2.jpg)
Daily Quiz1. What type of reaction is this?
Ca + Br2 → CaBr2
a. Synthesis
b. Decomposition
c. Combustion
d. Single replacement
e. Double replacement
![Page 3: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/3.jpg)
Daily Quiz2. To be “happy,” an atom needs all of the following excepta.Equal numbers of + and - charges
b.Equal numbers of neutrons and protons
c.Electron shells are exactly full
![Page 4: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/4.jpg)
Daily Quiz3. When calcium ionizes, its charge becomesa.+1
b.+2
c. -2
d. -1
e. 0
![Page 5: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/5.jpg)
Daily Quiz4. When sodium gives an electron to chlorine, chlorine isa.oxidized
b.reduced
HINT: Remember the lion!
![Page 6: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/6.jpg)
Today we will•Review the homework
•Look at the rules for determining oxidation number
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HomeworkQuestions 1-3 on page 640
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Homework1. Identify each of the following changes as either oxidation or reduction. Recall that e- is the symbol for an electron.
a.I2 + 2e- → 2I-
![Page 9: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/9.jpg)
Homework1. Identify each of the following changes as either oxidation or reduction. Recall that e- is the symbol for an electron.
a.I2 + 2e- → 2I-
reduction
![Page 10: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/10.jpg)
Homework1. Identify each of the following changes as either oxidation or reduction. Recall that e- is the symbol for an electron.
b. K → K+ + e-
![Page 11: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/11.jpg)
Homework1. Identify each of the following changes as either oxidation or reduction. Recall that e- is the symbol for an electron.
b. K → K+ + e-
oxidation
![Page 12: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/12.jpg)
Homework1. Identify each of the following changes as either oxidation or reduction. Recall that e- is the symbol for an electron.
c. Fe2+ → Fe3+ + e-
![Page 13: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/13.jpg)
Homework1. Identify each of the following changes as either oxidation or reduction. Recall that e- is the symbol for an electron.
c. Fe2+ → Fe3+ + e-
oxidation
![Page 14: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/14.jpg)
Homework1. Identify each of the following changes as either oxidation or reduction. Recall that e- is the symbol for an electron.
d. Ag+ + e- → Ag
![Page 15: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/15.jpg)
Homework1. Identify each of the following changes as either oxidation or reduction. Recall that e- is the symbol for an electron.
d. Ag+ + e- → Agreduction
![Page 16: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/16.jpg)
Homework2. Identify what is oxidized and what is reduced in the following processes.
a. 2Br- + Cl2 → Br2 + 2Cl-
![Page 17: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/17.jpg)
Homework2. Identify what is oxidized and what is reduced in the following processes.
a. 2Br- + Cl2 → Br2 + 2Cl-
ox red
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Homework2. Identify what is oxidized and what is reduced in the following processes.
b. 2Ce + 3Cu2+ → 3Cu + 2Ce3+
![Page 19: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/19.jpg)
Homework2. Identify what is oxidized and what is reduced in the following processes.
b. 2Ce + 3Cu2+ → 3Cu + 2Ce3+
red ox
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Homework2. Identify what is oxidized and what is reduced in the following processes.
c.2Zn + O2 → 2ZnO
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Homework2. Identify what is oxidized and what is reduced in the following processes.
c.2Zn + O2 → 2ZnO
ox red
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Homework3. Identify the oxidizing agent and the reducing agent in each of the following reactions.
a.Mg + I2 → Mg I2
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Homework3. Identify the oxidizing agent and the reducing agent in each of the following reactions.
a. Mg + I2 → Mg I2
red ox
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Homework3. Identify the oxidizing agent and the reducing agent in each of the following reactions.
b.2Na + 2H+ → 2Na+ + H2
![Page 25: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/25.jpg)
Homework3. Identify the oxidizing agent and the reducing agent in each of the following reactions.
b. 2Na + 2H+ → 2Na+ + H2 red ox
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Homework3. Identify the oxidizing agent and the reducing agent in each of the following reactions.
c.H2S + Cl2 → S + 2HCl
![Page 27: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/27.jpg)
Homework3. Identify the oxidizing agent and the reducing agent in each of the following reactions.
c. H2S + Cl2 → S + 2HCl
red ox
![Page 28: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/28.jpg)
Determining Oxidation Numbers
There are nine rules.You do not have to memorize them.But you do have to use them.
![Page 29: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/29.jpg)
Determining Oxidation Numbers
KClO3
![Page 30: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/30.jpg)
Determining Oxidation Numbers
KClO3
O is always -2 (rule 5)K is +1 (rule 7)The sum is zero (rule 8)
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Determining Oxidation Numbers
KClO3NK + NCl + 3(NO) = 0
O is always -2 (rule 5)K is +1 (rule 7)The sum is zero (rule 8)
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Determining Oxidation Numbers
KClO3 +1 + NCl + 3(-2) = 0
O is always -2 (rule 5)K is +1 (rule 7)The sum is zero (rule 8)
![Page 33: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/33.jpg)
Determining Oxidation Numbers
KClO3NCl = +5
O is always -2 (rule 5)K is +1 (rule 7)The sum is zero (rule 8)
![Page 34: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/34.jpg)
Determining Oxidation Numbers
SO32-
O is always -2 (rule 5)The sum is -2 (rule 9)
![Page 35: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/35.jpg)
Determining Oxidation Numbers
SO32-
NS + 3(NO) = -2
O is always -2 (rule 5)The sum is -2 (rule 9)
![Page 36: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/36.jpg)
Determining Oxidation Numbers
SO32-
NS - 6 = -2
O is always -2 (rule 5)The sum is -2 (rule 9)
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Determining Oxidation Numbers
SO32-
NS = +4
O is always -2 (rule 5)The sum is -2 (rule 9)
![Page 38: Daily Quiz. 1.What type of reaction is this? Ca + Br 2 → CaBr 2 a.Synthesis b.Decomposition c.Combustion d.Single replacement e.Double replacement.](https://reader035.fdocuments.in/reader035/viewer/2022062804/5697bf8e1a28abf838c8d135/html5/thumbnails/38.jpg)
Try a few on your own:
Due at the end of the period:Problems 4-9 on pages 642-643
Homework:Problems 10-11 on page 643