Open a blank PowerPoint file.
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Open a blank PowerPoint file. U5L3 1 1.Open U5L3SimpleChemRxn2009Stud 2.Open a blank PowerPoint presentation. 3.When you complete a GP slide , copy it to the new presentation. 4.Save the file in your homework folder as U5L3GpPeriodLastName 5.Answer guided practice slides (-GP) in a different
description
Open a blank PowerPoint file. Open U5L3SimpleChemRxn2009Stud Open a blank PowerPoint presentation. When you complete a GP slide , copy it to the new presentation. Save the file in your homework folder as U5L3GpPeriodLastName Answer guided practice slides (-GP) in a different color. New. - PowerPoint PPT Presentation
Transcript of Open a blank PowerPoint file.
U5L3 1
Open a blank PowerPoint file.
1. Open U5L3SimpleChemRxn2009Stud2. Open a blank PowerPoint presentation.3. When you complete a GP slide , copy it
to the new presentation.4. Save the file in your homework folder as
U5L3GpPeriodLastName5. Answer guided practice slides (-GP) in a
different color.
U5L3 2
Subscripts1. Used to write the correct formula of a
compound.
U5L3 3
Subscripts1. Used to write the correct formula of a
compound.
62
32
HCOAl
U5L3 4
Subscripts1. Used to write the correct formula of a
compound.
62
32
HCOAl Three oxygen
atoms in aluminum oxide
U5L3 5
Subscripts1. Used to write the correct formula of a
compound.
62
32
HCOAl Three oxygen
atoms in aluminum oxide
Two carbon atoms in ethane
U5L3 6
Subscripts1. Used to write the correct formula of a
compound.
2. Never change subscripts to balance a chemical equation.
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Coefficients1. Written in front of a compound.
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Coefficients1. Written in front of a compound.
2. Used to balance chemical equations
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Coefficients1. Written in front of a compound.
2. Used to balance chemical equations.
3.
62
32
32HCOAl
U5L3 10
Coefficients1. Written in front of a compound.
2. Used to balance chemical equations.
3. Coefficient applies to every element in the compound.
62
32
32HCOAl
U5L3 11
Coefficients and Reactions.
U5L3 12
Coefficients and Reactions.
Use the coefficient and subscripts to determine the number of atoms on both sides of the arrow.
U5L3 13
Coefficients & Subscripts
Find the number of moles of each element.
NaCl AgNO3 NaNO3 AgClClick here to Answer Click here to Answer
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Coefficients & Subscripts
Find the number of moles of each element.
3H2SO4 2Al(OH)3 Al2(SO4 )3 6H2O
Click here to Answer Click here to Answer
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Coefficients & Subscripts
Find the number of moles of each element.
2KClO3 3O2 2KClClick here to Answer Click here to Answer
U5L3 16
Draw a multi-flow map showing a chemical
reaction - GP.
Reaction
Reactant Product
NaClClNa 22 2
U5L3 17
Draw a multi-flow map showing this chemical
reaction - GP.
Reaction
Reactant Product
NaClClNa 22 2
U5L3 18
Synthesis Reactions
U5L3 19
Synthesis Reactions
1. aka composition rxn or combination reaction.
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Synthesis Reactions
1. aka composition rxn or combination reaction
2. Two or more substances combine to form a single compound.
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Synthesis Reactions
1. aka composition rxn or combination reaction
2. Two or more substances combine to form a single compound.
3. Two thingsOne compound
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Synthesis Reactions
1. aka composition rxn or combination reaction
2. Two or more substances combine to form a single compound.
3. Two things One compound
4. Synthesis means
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Synthesis Reactions
1. aka composition rxn or combination reaction
2. Two or more substances combine to form a single compound.
3. Two things One compound
4. Synthesis means to build
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Synthesis Reactions GP1. aka rxn or reaction
2. ____ or more substances combine to form a _______compound.
3. Two One compound
4. Synthesis means ___ ___________
XA
U5L3 25
Synthesis Reactions GP1. aka rxn or reaction
2. ____ or more substances combine to form a _______compound.
3. Two One compound
4. Synthesis means ___ ___________
XA
U5L3 26
Synthesis Reactions1. aka composition rxn
2. Two or more substances combine to form a single compound.
3. Two One compound
4. Synthesis means to build
AXXA NaClClNa 2 unbalanced
U5L3 27
Synthesis Reactions
1. aka composition rxn
2. Two or more substances combine to form a single compound.
3. Two One compound
4. Synthesis means to build
AXXA NaClClNa 22 2 balanced
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Synthesis Reactions
1. aka composition rxn
2. Two or more substances combine to form a single compound.
3. Two One compound
4. Synthesis means to build
AXXA NaClClNa 22 2 balanced
42 CClClC unbalanced
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Synthesis Reactions
Fix the below reactions
AXXA 22 ClNa balanced
4?? CClC balanced
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Synthesis Reactions
balanced22 )(OHMgOHMgO
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Synthesis Reactions
balanced22 )(OHMgOHMgO
3222 SOHOHSO balanced
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Synthesis Reactions
1. Metal oxide + water makes a base. (hydroxide)
balanced22 )(OHMgOHMgO
3222 SOHOHSO balanced
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Synthesis Reactions
1. Metal oxide + water makes a base. (hydroxide)
2. Nonmetal oxide + water makes an acid.
balanced22 )(OHMgOHMgO
3222 SOHOHSO balanced
U5L3 34
Synthesis Reactions GP
1. Metal oxide + water = ??
2. Nonmetal oxide + water = ??
balanced22 )(OHMgOHMgO
3222 SOHOHSO balanced
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Synthesis Reactions
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Synthesis Reactions
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Decomposition Reactions
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Decomposition Reactions
1. Decompose = breakdown or decay
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Decomposition Reactions
1. Decompose = breakdown or decay
2. A single compound reacts to produce two or more substances.
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Decomposition Reactions
1. Decompose = breakdown or decay
2. A single compound reacts to produce two or more substances.
3. One compound Two
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Decomposition Reactions GP
1. Decompose =
2. A single compound reacts to produce two or more substances.
3. One compound Two
AX
U5L3 42
Decomposition Reactions GP
1. Decompose =
2. A single compound reacts to produce two or more substances.
3. One compound Two
AX
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Decomposition Reactions
1. Decompose = breakdown or decay
2. A single compound reacts to produce two or more substances.
3. One compound Two
XAAX
)(2)()(3 gss COCaOCaCO
U5L3 44
Decomposition Reactions
XAAX
)(2)()(3 gss COCaOCaCO
)(2)(2)(2 22 ggyelectricit
s OHOH
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Decomposition Reactions GP
XAAX
)()(3 ss CaOCaCO
yelectricitsOH )(2
HeatsHgO )(
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Decomposition Reactions GP
XAAX
)()(3 ss CaOCaCO
yelectricitsOH )(2
HeatsHgO )(
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Decomposition Reactions
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Decomposition Reactions
QuickTime™ and aSorenson Video decompressorare needed to see this picture.
U5L3 49
Draw a tree map showing the types of reactions.
Text box
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Balancing Simple Reactions
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Balancing Simple Reactions
Balancing Reactions by inspection:
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Balancing Simple Reactions
Balancing Reactions by inspection:1. Find an element that is unbalanced.
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Balancing Simple Reactions
Balancing Reactions by inspection:1. Find an element that is unbalanced.2. Balance it by changing the coefficient.
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Balancing Simple Reactions
Balancing Reactions by inspection:1. Find an element that is unbalanced.2. Balance it by changing the coefficient.
• If one side has an odd number, double it then balance it.
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Balancing Simple Reactions
Balancing Reactions by inspection:1. Find an element that is unbalanced.2. Balance it by changing the coefficient.
• If one side has an odd number, double it then balance it.
P O2 P2O5
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Balancing Simple Reactions
Balancing Reactions by inspection:1. Find an element that is unbalanced.2. Balance it by changing the coefficient.
• If one side has an odd number, double it then balance it.
P O2 2P2O5
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Balancing Simple Reactions
Balancing Reactions by inspection:1. Find an element that is unbalanced.2. Balance it by changing the coefficient.
• If one side has an odd number, double it then balance it.
P 5O2 2P2O5
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Balancing Simple Reactions
Balancing Reactions by inspection:1. Find an element that is unbalanced.2. Balance it by changing the coefficient.
• If one side has an odd number, double it then balance it.
4P 5O2 2P2O5
U5L3 59
Balancing Simple Reactions
Balancing Reactions by inspection:1. Find an element that is unbalanced.2. Balance it by changing the coefficient.
• If one side has an odd number, double it then balance it.
3. Pick another element and balance it by changing the coefficient.
4P 5O2 2P2O5
U5L3 60
Balancing Simple ReactionsBalancing Reactions by inspection:
1. Find an element that is unbalanced.2. Balance it by changing the coefficient.
• If one side has an odd number, double it then balance it.
3. Pick another element and balance it by changing the coefficient.
4. Recheck the other elements as you go.
4P 5O2 2P2O5
U5L3 61
Balancing Simple ReactionsBalancing Reactions by inspection:
1. Find an element that is unbalanced.2. Balance it by changing the coefficient.
• If one side has an odd number, double it then balance it.
3. Pick another element and balance it by changing the coefficient.
4. Recheck the other elements as you go.5. Continue until all elements are balanced.
4P 5O2 2P2O5
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Balancing Simple ReactionsBalancing Reactions by inspection:
6. Fix it so the coefficients are whole numbers in the lowest ratio.
U5L3 63
Balancing Simple ReactionsBalancing Reactions by inspection:
6. Fix it so the coefficients are whole numbers in the lowest ratio.
H2 12O2 H2O
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Balancing Simple ReactionsBalancing Reactions by inspection:
6. Fix it so the coefficients are whole numbers in the lowest ratio.
4H2 2O2 4H2O
U5L3 65
Draw a flow map for the procedure to balancing
equations
U5L3 66
Guided Practice
C4H10 6.5O2 4CO2 5H2O
2H2 2O2 2H2O2
These reactions are balanced.What’s wrong with the coefficients? Fix them
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Guided Practice
Balance the reactions. In the first column, write the type of reaction
S = synthesisD = decompositionN = neither
Draw a multiflow map for each reaction.
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Type
21.
S
+
O2
SO3
22. HgO Hg + O2 23. P + O2 P2O5 24. H2O2 H2O + O2 25. Na + H2O NaOH + H2 26. Fe2O3 + Al Al2O3 + Fe 27. NH4NO3 N2O + H2O 28. Mg + N2 Mg3N2 29. CaO + SO2 CaSO3 30 CaCO3 CaO + CO2 31. Al ZnCl2 Zn AlCl3
U5L3 69
32 SO O S 21. _____
32 SO O S 21. _____
Reaction
Reactant Product
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O Hg HgO 22. _____ 2
O Hg HgO 22. _____ 2
Reaction
Reactant Product
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OP O P 23. _____ 522
OP O P 23. _____ 522
Reaction
Reactant Product
U5L3 72
2222 O OH OH 24. _____
OH 24. _____ 22
Finish typing the reaction then balance.
Reaction
Reactant Product
U5L3 73
22 H NaOH OH Na 25. _____
Finish typing the reaction then balance.
Reaction
Reactant Product
U5L3 74
Fe OAl Al OFe 26. _____ 3232
Finish typing the reaction then balance.
Reaction
Reactant Product
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OH ON OHNH 27. _____ 224
Finish typing the reaction then balance.
Reaction
Reactant Product
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NMg N Mg 28. _____ 232
Finish typing the reaction then balance.
Reaction
Reactant Product
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CaSO SO CaO 29. _____ 32
Finish typing the reaction then balance.
Reaction
Reactant Product
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23 CO CaO CaCO 30. _____
Finish typing the reaction then balance.
Reaction
Reactant Product
U5L3 79
32 AlCl Zn ZnCl Al 31. _____
Finish typing the reaction then balance.
Reaction
Reactant Product
