Chemistry Chapter 10, 11, and 12 Jeopardy Jennie L. Borders.

ChemistryChemistryChapter 10, 11, and 12 Chapter 10, 11, and 12

JeopardyJeopardy

Jennie L. BordersJennie L. Borders

Round 1 – Chapter 11 Round 1 – Chapter 11

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

Round 2 – Chapter 10 Round 2 – Chapter 10 and 12 and 12

Click to go to Round 2Click to go to Round 2

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.

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.

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!

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)

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)

Balancing Equations 100Balancing Equations 100

Balance the following equation.Balance the following equation.

NN22OO55 + H + H22O O HNO HNO33

1, 1, 21, 1, 2

SiClSiCl44 + H + H22O O H H44SiOSiO44 + HCl + HCl

1, 4, 1, 41, 4, 1, 4

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

CaCa33(PO(PO44))22 + H + H22SOSO44 CaSO CaSO44 + +

Ca(HCa(H22POPO44))22

1, 2, 2, 11, 2, 2, 1

CaCa1010FF22(PO(PO44))66 + H + H22SOSO44

Ca(HCa(H22POPO44))22 + CaSO + CaSO44 + HF + HF

1, 7, 3, 7, 21, 7, 3, 7, 2

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

FeClFeCl33

2FeCl2FeCl33 2Fe 2Fe + 3Cl+ 3Cl22decomposition decomposition

K + Al(NOK + Al(NO33))33

3K + Al(NO3K + Al(NO33))33 3KNO 3KNO33 + Al + Al

Single displacementSingle displacement

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

CC33HH88O + OO + O22

2C2C33HH88O + 9OO + 9O22 6CO 6CO22 + 8H + 8H22OO

combustioncombustion

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)

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)

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)

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)

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)

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)

KIKI(aq)(aq) + AgNO + AgNO3(aq)3(aq)

KIKI(aq)(aq) + AgNO + AgNO3(aq)3(aq) AgIAgI(s)(s) + KNO+ KNO3(aq)3(aq)

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)

(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)

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)

Surprise 100Surprise 100

Is the following compound soluble or Is the following compound soluble or insoluble: KOH?insoluble: KOH?

solublesoluble

Is the following compound soluble or Is the following compound soluble or insoluble: PbClinsoluble: PbCl22??

insolubleinsoluble

What is a precipitate?What is a precipitate?

A solid formed from ions in a A solid formed from ions in a solution.solution.

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.

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

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

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

What is the molar mass of What is the molar mass of ammonium sulfate?ammonium sulfate?

132.15 g/mol132.15 g/mol

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

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

How many moles is 937g nickel (II) How many moles is 937g nickel (II) oxide?oxide?

12.55 mol NiO12.55 mol NiO

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

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

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

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

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

Empirical and Molecular Empirical and Molecular Formulas 200Formulas 200

Write the empirical formula of Write the empirical formula of CC66HH1010OO4.4.

CC33HH55OO22

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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%

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%

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%

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%

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

Chemistry Chapter 10, 11, and 12 Jeopardy Jennie L. Borders.

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