Chemistry Week 23
description
Transcript of Chemistry Week 23
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Chemistry Week
23
Please get out your
homework!
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February 18, 2013AGENDA:1 – Bell Ringer &
Agenda2 – Check HW3 – Classwork
Today’s Goal:Students will be able to
predict products of chemical reactions and predict if products are soluble.
Homework1. Complete Classwork –
due tomorrow.2. Week 22 Work is due
by FRIDAY!!3. If you missed Last
Monday’s Quiz, makeup is today after school.
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Monday, February 18Objective: Students will be able to predict
products of chemical reactions and predict if products are soluble.
Bell Ringer: Predict the products of the following chemical reactions:
a) C2H6 +O2 b) CuCl2 + Li2S c) F2 + Li2O
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2 MINUTES REMAINING…
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Monday, February 18Objective: Students will be able to predict
products of chemical reactions and predict if products are soluble.
Bell Ringer: Predict the products of the following chemical reactions:
a) C2H6 +O2 b) CuCl2 + Li2S c) F2 + Li2O
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1 MINUTES REMAINING…
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Monday, February 18Objective: Students will be able to predict
products of chemical reactions and predict if products are soluble.
Bell Ringer: Predict the products of the following chemical reactions:
a) C2H6 +O2 b) CuCl2 + Li2S c) F2 + Li2O
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30 seconds Remaining…
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Monday, February 18Objective: Students will be able to predict
products of chemical reactions and predict if products are soluble.
Bell Ringer: Predict the products of the following chemical reactions:
a) C2H6 +O2 b) CuCl2 + Li2S c) F2 + Li2O
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10 seconds Remaining…
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BELL-RINGER TIME IS
UP!
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February 18, 2013AGENDA:1 – Bell Ringer &
Agenda2 – Check HW3 – Classwork
Today’s Goal:Students will be able to
predict products of chemical reactions and predict if products are soluble.
Homework1. Complete Classwork –
due tomorrow.2. Week 22 Work is due
by FRIDAY!!3. If you missed Last
Monday’s Quiz, makeup is today after school.
![Page 13: Chemistry Week 23](https://reader035.fdocuments.in/reader035/viewer/2022070502/56814ae4550346895db7f512/html5/thumbnails/13.jpg)
Monday, February 18Objective: Students will be able to predict
products of chemical reactions and predict if products are soluble.
Bell Ringer: Predict the products of the following chemical reactions:
a) C2H6 +O2 b) CuCl2 + Li2S c) F2 + Li2O
CO2 + H2OCuS + LiCl
O2 + LiF
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Predicting Products of Chemical Reactions
1. Single Replacement
K+1 Cl-1 + F2 = KCl + F22. Double
ReplacementK+1 SO4
-2 + Cu+2
NO3-1
= K2SO4 + Cu(NO3)2
3. Combustion CO2 + H2O
4. Synthesis
Li+1 Cl-1 = LiCl
5. Decomposition
Ba + O2
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Cornell Notes –Turn your notebook SIDEWAYS!
Obj: SWBAT Predict Products of Chemical Reactions and Solubility.
Date: 2/15/2013
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Obj: SWBAT Predict Products of Chemical Reactions and Solubility.
What type of chemical reaction?
Synthesis
Decomposition
Single Replaceme
nt
Double Replaceme
nt
Combustion
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
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Obj: SWBAT Predict Products of Chemical Reactions and Solubility.
What type of chemical reaction?
Synthesis
Decomposition
Single Replaceme
nt
Double Replaceme
nt
Combustion
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
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Cornell Notes (continued)What type of chemical
reaction?Synthesi
s
Steps to
Predict Product
sExampl
e
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Cornell Notes (continued)What type of chemical
reaction?Synthesis
1. Find the charge on elements
2. Flip & Drop
Mg + O2 Magnesium Oxide
Mg+2 O-2 Mg2O2 MgO
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Cornell Notes (continued)What type of chemical
reaction?Synthesi
sDecompositi
onSingle
Replacement
Double Replaceme
nt
Combustion
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
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Cornell Notes (continued)What type of chemical
reaction?Decompositi
on
Steps to
Predict Product
sExampl
e
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Cornell Notes (continued)What type of chemical
reaction?Decomposition
1. Split into Elements2. Check for Diatomics
Br2 H2 O2 N2 Cl2 I2 F2 “7 in the 7”
“Brother Hon Cliff”
H2O H + O
H2 + O2
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Cornell Notes (continued)What type of chemical
reaction?Synthesi
sDecompositi
onSingle
Replacement
Double Replaceme
nt
Combustion
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
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Cornell Notes (continued)What type of chemical
reaction?Single
Replacement
Steps to
Predict Product
sExampl
e
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Cornell Notes (continued)What type of chemical
reaction?Single Replacement
1. Switch Elements of same type.
2. Find Charges3. Flip & Drop4. Check for
Diatomics
Cu + AgNO3 Ag + Cu+2 NO3-1
Ag + Cu(NO3)2
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Cornell Notes (continued)What type of chemical
reaction?Synthesi
sDecompositi
onSingle
Replacement
Double Replaceme
nt
Combustion
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
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Cornell Notes (continued)What type of chemical
reaction?Double
Replacement
Steps to
Predict Product
sExampl
e
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Precipitates in Double Replacement Reactions
Many DR reactions occur in water- that is, in aqueous solution
When dissolved in water, many ionic compounds “dissociate”, or separate, into cations and anions
If the rearrangement of the ions forms a solid it is called a precipitate.
A precipitate is a solid produced during a chemical reaction in a solution.
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Cornell Notes (continued)What type of chemical
reaction?Double Replacement
1. Switch Cations2. Find Charges3. Flip & Drop4. for
Precipitate?Na3PO4 + BaCl2 Ba+2 PO4
-3 + Na+1 Cl-1
Barium phosphate is
not soluble so a precipitate
forms
Ba3(PO4)2 (s) + NaCl(aq)
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Example
AgNO3 + NaCl AgCl + NaNO3
1. First, we separate the compounds into ions:
Ag1+ + NO31- + Na1+ + Cl1-
2. Next we “switch” the cations3. Last we determine if a precipitate will
form using the solubility chartAgCl + Na1+ + NO3
1-
Note that the AgCl did not ionize, because it is a “precipitate”
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Cornell Notes (continued)What type of chemical
reaction?Synthesi
sDecompositi
onSingle
Replacement
Double Replaceme
nt
Combustion
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
Steps to
Predict Product
sExampl
e
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Cornell Notes (continued)What type of chemical
reaction?Combusti
on
Steps to
Predict Product
sExampl
e
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Cornell Notes (continued)What type of chemical
reaction?Combustio
nProduct = CO2 +
H2O
CH4 + O2 CO2 + H2O