chemistry chapter 10, 11, and 12 jeopardy jennie l. borders
TRANSCRIPT
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ChemistryChemistryChapter 10, 11, and 12 Chapter 10, 11, and 12
JeopardyJeopardy
Jennie L. BordersJennie L. Borders
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Round 1 – Chapter 11 Round 1 – Chapter 11
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Word Word EquationsEquations
Balancing Balancing EquationsEquations
Reaction Reaction TypesTypes
Ionic Ionic EquationsEquations
Predicting Predicting PrecipitatesPrecipitates SurpriseSurprise
100 100 100 100 100 100
200 200 200 200 200 200
300 300 300 300 300 300
400 400 400 400 400 400
500 500 500 500 500 500
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Round 2 – Chapter 10 Round 2 – Chapter 10 and 12 and 12
Click to go to Round 2Click to go to Round 2
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Word Equations 100Word Equations 100
Write the word equations for the Write the word equations for the following reaction.following reaction.
KK(s)(s) + H + H22OO(l)(l) KOH KOH(aq)(aq) + H + H2(g)2(g)
Potassium metal reacts with water Potassium metal reacts with water to form aqueous potassium to form aqueous potassium
hydroxide and hydrogen gas.hydroxide and hydrogen gas.
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Word Equations 200Word Equations 200
Write the word equation for the Write the word equation for the following reaction.following reaction.
CaClCaCl2(aq)2(aq) + Na + Na22SOSO4(aq)4(aq) CaSO CaSO4(s)4(s) + NaCl + NaCl(aq)(aq)
Aqueous calcium chloride reacts Aqueous calcium chloride reacts with aqueous sodium sulfate to with aqueous sodium sulfate to
produce solid calcium sulfate and produce solid calcium sulfate and aqueous sodium chloride.aqueous sodium chloride.
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Word Equations 300Word Equations 300Write the chemical equation for the Write the chemical equation for the
following reaction.following reaction.
Heating oxygen difluoride gas Heating oxygen difluoride gas yields oxygen gas and fluorine yields oxygen gas and fluorine
gas.gas.
2OF2OF2(g)2(g) O O2(g) 2(g) + 2F+ 2F2(g)2(g)
Don’t forget the triangle!Don’t forget the triangle!
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Word Equations 400Word Equations 400
Write the chemical equation for the Write the chemical equation for the following reaction.following reaction.
Solid magnesium reacts with Solid magnesium reacts with nitrogen gas to produce solid nitrogen gas to produce solid
magnesium nitride.magnesium nitride.
3Mg3Mg(s)(s) + N + N2(g)2(g) Mg Mg33NN2(s)2(s)
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Word Equations 500Word Equations 500
Write the chemical equation for the Write the chemical equation for the following reaction.following reaction.
Bubbling hydrogen sulfide gas through Bubbling hydrogen sulfide gas through manganese (II) chloride dissolved in manganese (II) chloride dissolved in water results in the formation of the water results in the formation of the
precipitate manganese (II) sulfide and precipitate manganese (II) sulfide and hydrochloric acid.hydrochloric acid.
HH22SS(g)(g) + MnCl + MnCl2(aq)2(aq) MnS MnS(s) (s) + 2HCl+ 2HCl(aq)(aq)
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Balancing Equations 100Balancing Equations 100
Balance the following equation.Balance the following equation.
NN22OO55 + H + H22O O HNO HNO33
1, 1, 21, 1, 2
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Balancing Equations 200Balancing Equations 200
Balance the following equation.Balance the following equation.
SiClSiCl44 + H + H22O O H H44SiOSiO44 + HCl + HCl
1, 4, 1, 41, 4, 1, 4
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Balancing Equations 300Balancing Equations 300
Balance the following equation.Balance the following equation.NHNH44Cl + Ca(OH)Cl + Ca(OH)22 CaCl CaCl22 + NH + NH33 + H + H22OO
2, 1, 1, 2, 2 2, 1, 1, 2, 2
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Balancing Equations 400Balancing Equations 400
Balance the following equation.Balance the following equation.
CaCa33(PO(PO44))22 + H + H22SOSO44 CaSO CaSO44 + +
Ca(HCa(H22POPO44))22
1, 2, 2, 11, 2, 2, 1
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Balancing Equations 500Balancing Equations 500
Balance the following equation.Balance the following equation.
CaCa1010FF22(PO(PO44))66 + H + H22SOSO44
Ca(HCa(H22POPO44))22 + CaSO + CaSO44 + HF + HF
1, 7, 3, 7, 21, 7, 3, 7, 2
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Reaction Types 100Reaction Types 100
Write the full BALANCED equation Write the full BALANCED equation and tell which type of reaction it is.and tell which type of reaction it is.
Al + OAl + O22
4Al + 3O4Al + 3O22 2Al 2Al22OO33
synthesissynthesis
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Reaction Types 200Reaction Types 200
Write the full BALANCED equation Write the full BALANCED equation and tell which type of reaction it is.and tell which type of reaction it is.
FeClFeCl33
2FeCl2FeCl33 2Fe 2Fe + 3Cl+ 3Cl22decomposition decomposition
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Reaction Types 300Reaction Types 300
Write the full BALANCED equation Write the full BALANCED equation and tell which type of reaction it is.and tell which type of reaction it is.
K + Al(NOK + Al(NO33))33
3K + Al(NO3K + Al(NO33))33 3KNO 3KNO33 + Al + Al
Single displacementSingle displacement
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Reaction Types 400Reaction Types 400Write the full BALANCED equation Write the full BALANCED equation and tell which type of reaction it is.and tell which type of reaction it is.
CuClCuCl22 + Na + Na22SOSO44
CuClCuCl22 + Na + Na22SOSO44 CuSO CuSO44 + 2NaCl + 2NaCl
Double displacementDouble displacement
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Reaction Types 500Reaction Types 500
Write the full BALANCED equation Write the full BALANCED equation and tell which type of reaction it is.and tell which type of reaction it is.
CC33HH88O + OO + O22
2C2C33HH88O + 9OO + 9O22 6CO 6CO22 + 8H + 8H22OO
combustioncombustion
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Ionic Equations 100Ionic Equations 100
Write the net ionic equation for the Write the net ionic equation for the following reaction.following reaction.
KK22SS(aq)(aq) + CoCl + CoCl2(aq)2(aq) KCl KCl(aq)(aq) + CoS + CoS(s)(s)
CoCo+2+2(aq)(aq) + S + S-2-2
(aq)(aq) CoS CoS(s)(s)
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Ionic Equations 200Ionic Equations 200
Write the net ionic equation for the Write the net ionic equation for the following reaction.following reaction.
NaOHNaOH(aq)(aq) + CuCl + CuCl2(aq)2(aq) NaCl NaCl(aq)(aq) + Cu(OH) + Cu(OH)2(s)2(s)
CuCu+2+2(aq)(aq) + 2OH + 2OH--
(aq)(aq) Cu(OH) Cu(OH)2(s)2(s)
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Ionic Equations 300Ionic Equations 300
Write the net ionic equation for the Write the net ionic equation for the following reaction.following reaction.
Ba(NOBa(NO33))2(aq)2(aq) + Na + Na22COCO3(aq)3(aq) BaCO BaCO3(s)3(s) + +
NaNONaNO3(aq)3(aq)
BaBa+2+2(aq)(aq) + CO + CO33
-2-2(aq)(aq) BaCO BaCO3(s)3(s)
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Ionic Equations 400Ionic Equations 400
Write the complete ionic equation for Write the complete ionic equation for the following reaction.the following reaction.
CaClCaCl2(aq)2(aq) + Na + Na22SOSO4(aq)4(aq) CaSO CaSO4(s)4(s) + NaCl + NaCl(aq)(aq)
CaCa+2+2(aq)(aq) + 2Cl + 2Cl--(aq)(aq) + 2Na + 2Na++
(aq)(aq) + SO + SO44-2-2
(aq)(aq)
CaSOCaSO4(s)4(s) + 2Na + 2Na++(aq)(aq) + 2Cl + 2Cl--(aq)(aq)
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Ionic Equations 500Ionic Equations 500
Write the complete ionic equation for Write the complete ionic equation for the following reaction.the following reaction.
AgNOAgNO3(aq)3(aq) + Na + Na22SS(aq)(aq) Ag Ag22SS(s)(s) + NaNO + NaNO3(aq)3(aq)
2Ag2Ag++(aq)(aq) + 2NO + 2NO33
--(aq)(aq) + 2Na + 2Na++
(aq)(aq) + S + S-2-2(aq)(aq)
AgAg22SS(s)(s) + 2Na + 2Na++(aq)(aq) + 2NO + 2NO33
--(aq)(aq)
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Predicting Precipitates 100Predicting Precipitates 100
Predict the products and indicate any Predict the products and indicate any precipitates.precipitates.
LiLi22CrOCrO4(aq)4(aq) + BaCl + BaCl2(aq)2(aq)
LiLi22CrOCrO4(aq)4(aq) + BaCl + BaCl2(aq)2(aq) BaCrOBaCrO4(s)4(s) + +
2LiCl2LiCl(aq)(aq)
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Predicting Precipitates 200Predicting Precipitates 200
Predict the products and indicate any Predict the products and indicate any precipitates.precipitates.
KIKI(aq)(aq) + AgNO + AgNO3(aq)3(aq)
KIKI(aq)(aq) + AgNO + AgNO3(aq)3(aq) AgIAgI(s)(s) + KNO+ KNO3(aq)3(aq)
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Predicting Precipitates 300Predicting Precipitates 300
Predict the products and indicate any Predict the products and indicate any precipitates.precipitates.
AlClAlCl3(aq)3(aq) + NaOH + NaOH(aq)(aq)
AlClAlCl3(aq)3(aq) + 3NaOH + 3NaOH(aq)(aq) Al(OH)Al(OH)3(s)3(s) + +
3NaCl3NaCl(aq)(aq)
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Predicting Precipitates 400Predicting Precipitates 400
Predict the products and indicate any Predict the products and indicate any precipitates.precipitates.
(NH(NH44))33POPO4(aq)4(aq) + Na + Na22SOSO4(aq)4(aq)
2(NH2(NH44))33POPO4(aq)4(aq) + 3Na + 3Na22SOSO4(aq)4(aq)
2Na2Na33POPO4(aq)4(aq) + 3(NH + 3(NH44))22SOSO4(aq)4(aq)
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Predicting Precipitates 500Predicting Precipitates 500
Predict the products and indicate any Predict the products and indicate any precipitates.precipitates.
LiLi22SOSO4(aq)4(aq) + Ca(NO + Ca(NO33))2(aq)2(aq)
LiLi22SOSO4(aq)4(aq) + Ca(NO + Ca(NO33))2(aq)2(aq) CaSOCaSO4(s)4(s) + +
2LiNO2LiNO3(aq)3(aq)
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Surprise 100Surprise 100
Is the following compound soluble or Is the following compound soluble or insoluble: KOH?insoluble: KOH?
solublesoluble
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Surprise 200Surprise 200
Is the following compound soluble or Is the following compound soluble or insoluble: PbClinsoluble: PbCl22??
insolubleinsoluble
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Surprise 300Surprise 300
What is a precipitate?What is a precipitate?
A solid formed from ions in a A solid formed from ions in a solution.solution.
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Surprise 400Surprise 400
What are spectator ions?What are spectator ions?
Ions that do not actually react. Ions that do not actually react. They remain aqueous throughout They remain aqueous throughout
the reaction.the reaction.
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Surprise 500Surprise 500
Why do we balance equations? Why do we balance equations?
(Hint: The answer is NOT to get the (Hint: The answer is NOT to get the same number of atoms on each same number of atoms on each
side.)side.)
Law of Conservation of MassLaw of Conservation of Mass
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Molar Mass Molar Mass and and
ConversionsConversions
Percent Percent CompositionComposition
Empirical Empirical and and
Molecular Molecular FormulaFormula
StoichiometryStoichiometryLimiting Limiting
ReagentsReagentsPercent Percent
YieldYield
200 200 200 200 200 200
400 400 400 400 400 400
600 600 600 600 600 600
800 800 800 800 800 800
1000 1000 1000 1000 1000 1000
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Molar Mass and Conversions Molar Mass and Conversions 200200
What is the molar mass of HWhat is the molar mass of H33POPO44??
98 g/mol98 g/mol
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Molar Mass and Conversions Molar Mass and Conversions 400400
What is the molar mass of What is the molar mass of ammonium sulfate?ammonium sulfate?
132.15 g/mol132.15 g/mol
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Molar Mass and Conversions Molar Mass and Conversions 600600
How many liters is in 2.30 moles of How many liters is in 2.30 moles of iron (III) chloride?iron (III) chloride?
51.52L FeCl51.52L FeCl33
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Molar Mass and Conversions Molar Mass and Conversions 800800
How many representative particles How many representative particles are in 7.50 moles of SOare in 7.50 moles of SO22??
4.515 x 104.515 x 102424 m/c SOm/c SO22
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Molar Mass and Conversions Molar Mass and Conversions 10001000
How many moles is 937g nickel (II) How many moles is 937g nickel (II) oxide?oxide?
12.55 mol NiO12.55 mol NiO
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Percent Composition 200Percent Composition 200
Calculate the percent composition of Calculate the percent composition of hydrogen in Hhydrogen in H22S.S.
5.9% H5.9% H
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Percent Composition 400Percent Composition 400Calculate the percent composition of Calculate the percent composition of
NaNa33POPO44..
42.07% Na42.07% Na18.89% P18.89% P39.04% O39.04% O
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Percent Composition 600Percent Composition 600
Calculate the percent composition of Calculate the percent composition of magnesium hydroxide.magnesium hydroxide.
41.67% Mg41.67% Mg54.87% O54.87% O3.46% H3.46% H
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Percent Composition 800Percent Composition 800
If 7.36g of a compound that contains If 7.36g of a compound that contains hydrogen and oxygen is hydrogen and oxygen is
decomposed to form 6.93g O, decomposed to form 6.93g O, what is the percent composition?what is the percent composition?
94.16%O94.16%O5.84%H5.84%H
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Percent Composition 1000Percent Composition 1000
Calculate the percent composition of Calculate the percent composition of a compound that forms wen a compound that forms wen
222.6g nitrogen combines with 222.6g nitrogen combines with 77.4g oxygen.77.4g oxygen.
74.2% N74.2% N25.8% O 25.8% O
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Empirical and Molecular Empirical and Molecular Formulas 200Formulas 200
Write the empirical formula of Write the empirical formula of CC66HH1010OO4.4.
CC33HH55OO22
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Empirical and Molecular Empirical and Molecular Formulas 400Formulas 400
Determine the empirical formula for a Determine the empirical formula for a compound made of 71.72% Cl, compound made of 71.72% Cl,
16.16% O, and 12.12% C.16.16% O, and 12.12% C.
ClCl22OCOC
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Empirical and Molecular Empirical and Molecular Formulas 600Formulas 600
What is the molecular formula for a What is the molecular formula for a compound that has a molar mass compound that has a molar mass
of 90 g/mol and an empirical of 90 g/mol and an empirical formula of CHformula of CH22O?O?
CC33HH66OO33
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Empirical and Molecular Empirical and Molecular Formulas 800Formulas 800
Determine the molecular formula for Determine the molecular formula for a compound containing 50.7% C, a compound containing 50.7% C, 4.2% H, and 45.1%O if it has a 4.2% H, and 45.1%O if it has a
molar mass of 142 g/mol. molar mass of 142 g/mol.
(Hint: This is an empirical and (Hint: This is an empirical and molecular formula problem.)molecular formula problem.)
CC66HH66OO44
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Empirical and Molecular Empirical and Molecular Formula Problem 1000Formula Problem 1000
A 0.4791g sample was analyzed and A 0.4791g sample was analyzed and found to contain 0.1929g C, found to contain 0.1929g C,
0.01079g H, 0.08566g O, and 0.01079g H, 0.08566g O, and 0.1898g Cl. Determine the empirical 0.1898g Cl. Determine the empirical
formula. formula.
(Hint: This is a percent composition (Hint: This is a percent composition and empirical formula problem.)and empirical formula problem.)
CC33HH22OClOCl
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Stoichiometry 200Stoichiometry 200
Nitrogen trihydride and nitrogen Nitrogen trihydride and nitrogen monoxide react to form nitrogen monoxide react to form nitrogen and water. How many liters of and water. How many liters of
nitrogen are formed from 7.40 x nitrogen are formed from 7.40 x 10101818 m/c of nitrogen trihydride? m/c of nitrogen trihydride?
3.44 x 103.44 x 10-4-4 L N L N22
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Stoichiometry 400Stoichiometry 400
How many m/c of iron (III) oxide are How many m/c of iron (III) oxide are formed from 93.2L of oxygen?formed from 93.2L of oxygen?
4FeS4FeS22 + 11O + 11O22 2Fe 2Fe22OO33 + 8SO + 8SO22
4.55 x 104.55 x 102323 m/c Fe m/c Fe22OO33
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Stoichiometry 600Stoichiometry 600
How many grams of ammonium How many grams of ammonium nitrate are needed to produce nitrate are needed to produce
111.2g of water?111.2g of water?
2NH2NH44NONO33 2N 2N22 + 4H + 4H22O + OO + O22
247.17g NH247.17g NH44NONO33
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Stoichiometry 800Stoichiometry 800
Calcium carbonate and phosphoric Calcium carbonate and phosphoric acid react to form calcium acid react to form calcium
phosphate, carbon dioxide, and phosphate, carbon dioxide, and water. How many moles of calcium water. How many moles of calcium
phosphate are formed from 5.83 phosphate are formed from 5.83 moles of calcium carbonate?moles of calcium carbonate?
1.94 mol Ca1.94 mol Ca33(PO(PO44))22
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Stoichiometry 1000Stoichiometry 1000Calcium carbonate reacts with Calcium carbonate reacts with hydrochloric acid to form calcium hydrochloric acid to form calcium
chloride, carbon dioxide, and chloride, carbon dioxide, and water. How many grams of water. How many grams of
calcium chloride are produced calcium chloride are produced from 7.43 x 10from 7.43 x 1088 m/c of hydrochloric m/c of hydrochloric
acid?acid?
6.85 x 106.85 x 10-14-14g CaClg CaCl22
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Limiting Reagents 200Limiting Reagents 200
How many grams of CHHow many grams of CH44 can be can be
made from 10.0g Hmade from 10.0g H22 and 5.0g of and 5.0g of
C? Identify the limiting and excess C? Identify the limiting and excess reagents.reagents.
C + 2HC + 2H22 CH CH44
6.68g CH6.68g CH44
LR = C, ER = HLR = C, ER = H22
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Limiting Reagents 400Limiting Reagents 400
How many grams of NaOH can be How many grams of NaOH can be made from 12.4g of sodium oxide made from 12.4g of sodium oxide and 42.1g of water? Identify the and 42.1g of water? Identify the
limiting and excess reagents.limiting and excess reagents.
NaNa22O + HO + H22O O 2NaOH 2NaOH
16g NaOH16g NaOHLR = NaLR = Na22O, ER = HO, ER = H22OO
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Limiting Reagents 600Limiting Reagents 600
If you have 58.1g of magnesium If you have 58.1g of magnesium nitride and 20.4g of water, how nitride and 20.4g of water, how much magnesium hydroxide is much magnesium hydroxide is
produced? Identify the limiting and produced? Identify the limiting and excess reagents.excess reagents.
MgMg33NN22 + 6H + 6H22O O 3Mg(OH) 3Mg(OH)22 + 2NH + 2NH33
33.04g Mg(OH)33.04g Mg(OH)22
LR = HLR = H22O, ER = MgO, ER = Mg33NN22
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Limiting Reagents 800Limiting Reagents 800What mass of CWhat mass of C33HH33N can be made N can be made
when 21.6g of Cwhen 21.6g of C33HH66 reacts with reacts with
21.6g of nitrogen monoxide? 21.6g of nitrogen monoxide? Identify the limiting and excess Identify the limiting and excess
reagents.reagents.
4C4C33HH66 + 6NO + 6NO 4C 4C33HH33N + 6HN + 6H22O + NO + N22
25.47g C25.47g C33HH33NN
LR = NO, ER = CLR = NO, ER = C33HH66
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Limiting Reagents 1000Limiting Reagents 1000Sulfur combines with iron to form iron Sulfur combines with iron to form iron
(II) sulfide. If 7.62g of iron are (II) sulfide. If 7.62g of iron are allowed to react with 8.67g of allowed to react with 8.67g of
sulfur, how many grams of iron (II) sulfur, how many grams of iron (II) sulfide will be produced? Identify sulfide will be produced? Identify the limiting and excess reagents.the limiting and excess reagents.
11.99g FeS11.99g FeSLR = Fe, ER = SLR = Fe, ER = S
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Percent Yield 200Percent Yield 200
Determine the percent yield if 125g of Determine the percent yield if 125g of zinc reacts with iodine to form zinc reacts with iodine to form
515.6g of zinc (II) iodide.515.6g of zinc (II) iodide.
Zn + IZn + I22 ZnI ZnI22
84%84%
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Percent Yield 400Percent Yield 400
What is the percent yield if 200g of What is the percent yield if 200g of PbS is heated and produces 170g PbS is heated and produces 170g
PbO?PbO?
2PbS + 3O2PbS + 3O22 2PbO + 2SO 2PbO + 2SO22
91.1%91.1%
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Percent Yield 600Percent Yield 600
Silver (I) nitrate and potassium Silver (I) nitrate and potassium chromate react to form silver (I) chromate react to form silver (I)
chromate and potassium nitrate. If chromate and potassium nitrate. If 0.5g of silver (I) nitrate react to 0.5g of silver (I) nitrate react to form 0.455g silver (I) chromate, form 0.455g silver (I) chromate,
what is the percent yield?what is the percent yield?
92.9%92.9%
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Percent Yield 800Percent Yield 800
When copper wire is placed into a When copper wire is placed into a silver (I) nitrate solution, silver silver (I) nitrate solution, silver crystals and copper (II) nitrate crystals and copper (II) nitrate
solution form. If 20g of copper was solution form. If 20g of copper was used and 60g of silver was formed, used and 60g of silver was formed,
what is the percent yield?what is the percent yield?
88.9%88.9%
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Percent Yield 1000Percent Yield 1000
Silicon dioxide and hydrofluoric acid Silicon dioxide and hydrofluoric acid react to form Hreact to form H22SiFSiF66 and water. If and water. If
40g silicon dioxide and 40g of 40g silicon dioxide and 40g of hydrofluoric acid react to form hydrofluoric acid react to form
HH22SiFSiF66 with a 95.4% yield, what is with a 95.4% yield, what is
the actual yield?the actual yield?
45.8g H45.8g H22SiFSiF66