Let’s Play Hangman What’s the Word? Based on the law of conservation of mass, a balanced chemical reaction allows you to calculate back and forth, between.

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Presentation transcript:

Let’s Play Hangman

What’s the Word? Based on the law of conservation of mass, a balanced chemical reaction allows you to calculate back and forth, between the mass and moles of reactants and products.Based on the law of conservation of mass, a balanced chemical reaction allows you to calculate back and forth, between the mass and moles of reactants and products. S T O I C H I O M E T R Y

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Law of Multiple Proportions John Dalton originated the idea that when elements combine, they do so in whole number ratios.John Dalton originated the idea that when elements combine, they do so in whole number ratios. 1N 2 + 3H 2 2NH 3 NN H H H N HHHHHH H H H N

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Law of Multiple Proportions Atoms combine in whole number ratios _B + _M + _Ch _B 2 M 3 Ch 2311

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Law of Multiple Proportions Atoms Combine in Whole Number Ratios _F + _W + _H + _P 2 _FW 2 HP

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Law of Conservation of Mass Matter cannot be created or destroyed in any reaction, only rearranged, so the number of reactant atoms MUST EQUAL the number of product atoms.Matter cannot be created or destroyed in any reaction, only rearranged, so the number of reactant atoms MUST EQUAL the number of product atoms. 1N 2 + 3H 2 2NH 3 NH

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Magnesium Lab Results Magnesium reacts with Oxygen to produce Magnesium Oxide.Magnesium reacts with Oxygen to produce Magnesium Oxide. _Mg Mg O _O 2 _MgO MgO Mg PLAY LAB VIDEO

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Magnesium Lab Results What happened to the mass of the Magnesium after burning it?What happened to the mass of the Magnesium after burning it? The mass increased.The mass increased. How can the Magnesium get heavier after it is burned?How can the Magnesium get heavier after it is burned? Magnesium combined with Oxygen to form a heavier compound, Magnesium Oxide.Magnesium combined with Oxygen to form a heavier compound, Magnesium Oxide. What happened to the mass of the Magnesium after burning it?What happened to the mass of the Magnesium after burning it? The mass increased.The mass increased. How can the Magnesium get heavier after it is burned?How can the Magnesium get heavier after it is burned? Magnesium combined with Oxygen to form a heavier compound, Magnesium Oxide.Magnesium combined with Oxygen to form a heavier compound, Magnesium Oxide.

LESSON SUMMARY  Identify the Main Topic. Use my analogies. The topic we learned in chemistry today was __________, which is a lot like…  Give an example of the topic. For instance, _____ is a good example of the topic because…  Explain additional details of your example. Furthermore, example shows the topic because it portrays…

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com STOI-CANYON

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com STOI-CANYON GRAMS REACTANT 1 GRAMS GRAMS REACTANT 2 GRAMS GRAMS PRODUCT 2 GRAMS PRODUCT 2 GRAMS PRODUCT 1 GRAMS PRODUCT 1

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com MOLE BRIDGE MOLE BRIDGE MOLE BRIDGE MOLE BRIDGE STOI-CANYON

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com MOLE RATIO MOLE RATIO STOI-CANYON

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com MOLE RATIO MOLE RATIO GRAMS REACTANT 1 GRAMS GRAMS REACTANT 2 GRAMS GRAMS PRODUCT 2 GRAMS PRODUCT 2 GRAMS PRODUCT 1 GRAMS PRODUCT O22O2 2O22O2 1CO 2 1CH 4 2H2O2H2O 2H2O2H2O + +

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.comSTOI-CANYON MOLE RATIO GRAMSREACTANT2 GRAMSREACTANT1 GRAMS PRODUCT 2 GRAMS PRODUCT 1

1. When 12 grams of Magnesium reacts with Oxygen, how many grams of Magnesium Oxide is produced? QUESTION #1 2Mg + 1O 2 2MgO SYNTHESIS REACTION

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS REACTANT 2 GRAMS REACTANT 2 GRAMS PRODUCT 1 GRAMS PRODUCT O21O2 1O21O2 2MgO 2Mg 1. When 12 grams of Magnesium reacts with Oxygen, how many grams of Magnesium Oxide is produced? 2MgO Mg 2MgO Mg

1. When 12 grams of Magnesium reacts with Oxygen, how many grams of Magnesium Oxide is produced? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 12g ?? 24g/mol ÷ 2Mg  2MgO 12 grams Mg  20 grams MgO ? ?0.5mol0.5mol 40g/mol x = 0.5 moles Mg = 0.5 moles MgO= 20 grams MgO

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com 2Mg + 1O 2 2MgO Known 12g Mg 1 Molar Mass 1mol 24g Mole Ratio 2MgO 2Mg Molar Mass 40g 1mol Answer = 20g MgO 1. When 12 grams of Magnesium reacts with Oxygen, how many grams of Magnesium Oxide is produced?

2. How much Oxygen is needed to produce 20 grams of Magnesium Oxide? QUESTION #2 2Mg + 1O 2 2MgO SYNTHESIS REACTION

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS REACTANT 2 GRAMS REACTANT 2 GRAMS PRODUCT 1 GRAMS PRODUCT O21O2 1O21O2 2MgO 2Mg 2. How much Oxygen is needed to produce 20 grams of Magnesium Oxide? 1O MgO 1O MgO

2. How much Oxygen is needed to produce 20 grams of Magnesium Oxide? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 20g ?? 40g/mol ÷ 2MgO  1O 2 20 grams MgO  8 grams O 2 ? ?0.25mol0.25mol 32g/mol x = 0.5 moles MgO = 0.25 moles O 2 = 8 grams O 2

2Mg + 1O 2 2MgO Known 20g MgO 1 Molar Mass 1mol 40g Mole Ratio 1O 2 2MgO Molar Mass 32g 1mol Answer = 8g O 2 2. How much Oxygen is needed to produce 20 grams of Magnesium Oxide?

3. How much Magnesium is needed to completely react with 8 grams of Oxygen to produce Magnesium Oxide? QUESTION #3 2Mg + 1O 2 2MgO SYNTHESIS REACTION

GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS REACTANT 2 GRAMS REACTANT 2 GRAMS PRODUCT 1 GRAMS PRODUCT O21O2 1O21O2 2MgO 2Mg 3. How much Magnesium is needed to completely react with 8 grams of Oxygen? 2Mg O 2 2Mg O 2

3. How much Magnesium is needed to completely react with 8 grams of Oxygen to produce Magnesium Oxide? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 8g ?? 32g/mol ÷ 1O 2  2Mg 8 grams O 2  12 grams Mg ? ?0.5mol0.5mol 24g/mol x = 0.25 moles O 2 = 0.5 moles Mg= 12g Mg

2Mg + 1O 2 2MgO Known 8g O 2 1 Molar Mass 1mol 32g Mole Ratio 2Mg 1O21O2 Molar Mass 24g 1mol Answer = 12g Mg 3. How much Magnesium is needed to completely react with 8 grams of Oxygen to produce Magnesium Oxide?

4. When 84 grams of Nitrogen reacts with Hydrogen, how many grams of ammonia is produced? QUESTION #4 1N 2 + 3H 2 2NH 3 SYNTHESIS REACTION

Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS REACTANT 2 GRAMS REACTANT 2 GRAMS PRODUCT 1 GRAMS PRODUCT H23H2 3H23H2 2NH 3 1N21N2 1N21N2 4. When 84 grams of Nitrogen reacts with Hydrogen, how many grams of ammonia is produced? 2NH N 2 2NH N 2

4. When 84 grams of Nitrogen reacts with Hydrogen, how many grams of ammonia is produced? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 84g ?? 28g/mol ÷ 1N 2  2NH 3 84 grams N 2  102 grams NH 3 ? ?6mol6mol 17g/mol x = 3 moles N 2 = 6 moles NH 3 = 102 grams NH 3

1N 2 + 3H 2 2NH 3 Known 84g N When 84 grams of Nitrogen reacts with Hydrogen, how many grams of ammonia is produced? Molar Mass 1mol 28g Mole Ratio 2NH 3 1N21N2 Molar Mass 17g 1mol Answer = 102g NH 3

LESSON SUMMARY  Identify the Main Topic. Use my analogies. The topic we learned in chemistry today was __________, which is a lot like…  Give an example of the topic. For instance, _____ is a good example of the topic because…  Explain additional details of your example. Furthermore, example shows the topic because it portrays…

5. How many grams of Methanol are produced when 56 grams of Carbon Monoxide reacts with Hydrogen? QUESTION #5 1CO + 2H 2 1CH 3 OH SYNTHESIS REACTION

GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS REACTANT 2 GRAMS REACTANT 2 GRAMS PRODUCT 1 GRAMS PRODUCT H22H2 2H22H2 1CH 3 OH 1CO 5. How many grams of Methanol are produced when 56 grams of Carbon Monoxide reacts with Hydrogen? 1CH 3 OH CO 1CH 3 OH CO

5. How many grams of Methanol are produced when 56 grams of Carbon Monoxide reacts with Hydrogen? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 56g ?? 28g/mol ÷ 1CO  1CH 3 OH 56 grams CO  64 grams CH 3 OH ? ?2mol2mol 32g/mol x = 2 moles CO = 2 moles CH 3 OH= 64 grams CH 3 OH

1CO + 2H 2 1CH 3 OH Known 56g CO 1 5. How many grams of Methanol are produced when 56 grams of Carbon Monoxide reacts with Hydrogen? Molar Mass 1mol 28g Mole Ratio 1 CH 3 OH 1CO Molar Mass 32g 1mol Answer = 64g CH 3 OH

6. How many grams of Sodium Hydroxide is produced when you react grams of Sodium Oxide with excess Water? QUESTION #6 1Na 2 O + 1H 2 O 2NaOH SYNTHESIS REACTION

GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS REACTANT 2 GRAMS REACTANT 2 GRAMS PRODUCT 1 GRAMS PRODUCT H2O1H2O 1H2O1H2O 2NaOH 1Na 2 O 6. How many grams of Sodium Hydroxide is produced when you react 93 grams of Sodium Oxide with excess Water? 2NaOH Na 2 O 2NaOH Na 2 O

6. How many grams of Sodium Hydroxide is produced when you react 93 grams of Sodium Oxide with excess Water? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 93g ?? 62g/mol ÷ 1Na 2 O  2NaOH 93 grams Na 2 O  120 grams NaOH ? ?3mol3mol 40g/mol x = 1.5 moles Na 2 O = 3 moles NaOH= 120 grams NaOH

1Na 2 O + 1H 2 O 2NaOH Known 93g Na 2 O 1 6. How many grams of Sodium Hydroxide is produced when you react 60 grams of Sodium Oxide with excess Water? Molar Mass 1mol 62g Mole Ratio 2NaOH 1Na 2 O Molar Mass 40g 1mol Answer = 120g NaOH

7. How many grams of Calcium Carbonate are needed to make 14 grams of Calcium Oxide? QUESTION #7 1CaCO 3 1CaO + 1CO 2 DECOMPOSITION REACTION

GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS PRODUCT 2 GRAMS PRODUCT 2 GRAMS PRODUCT 1 GRAMS PRODUCT CaO 1CO 2 1CaCO How many grams of Calcium Carbonate are needed to make 14 grams of Calcium Oxide? 1CaCO CaO 1CaCO CaO

7. How many grams of Calcium Carbonate are needed to make 14 grams of Calcium Oxide? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 14g ?? 56g/mol ÷ 1CaO  1CaCO 3 14 grams CaO  25 grams CaCO 3 ? ?0.25mol0.25mol 100g/mol x = 0.25 moles CaO = 0.25 moles CaCO 3 = 25 grams CaCO 3

Known 14g CaO 1 7. How many grams of Calcium Carbonate are needed to make 14 grams of Calcium Oxide? Molar Mass 1mol 56g Mole Ratio 1CaCO 3 1CaO Molar Mass 100g 1mol Answer = 25g CaCO 3 1CaCO 3 1CaO + 1CO 2

8. How many grams of Oxygen are produced from the decomposition of 105 grams of Beryllium Sulfate? QUESTION #8 1BeSO 4 1BeS + 2O 2 DECOMPOSITION REACTION

GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS PRODUCT 2 GRAMS PRODUCT 2 GRAMS PRODUCT 1 GRAMS PRODUCT BeS 2O22O2 2O22O2 1BeSO 4 8. How many grams of Oxygen are produced from the decomposition of 105 grams of Beryllium Sulfate? 2O BeSO 4 2O BeSO 4

8. How many grams of Oxygen are produced from the decomposition of 105 grams of Beryllium Sulfate? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 105g ?? 105g/mol ÷ 1BeSO 4  2O grams BeSO 4  64 grams O 2 ? ?2mol2mol 32g/mol x = 1 mole BeSO 4 = 2 moles O 2 = 64 grams O 2

Known 105g BeSO How many grams of Oxygen are produced from the decomposition of 105 grams of Beryllium Sulfate? Molar Mass 1mol 105g Mole Ratio 2O 2 1BeSO 4 Molar Mass 32g 1mol Answer = 64g O 2 1BeSO 4 1BeS + 2O 2

LESSON SUMMARY  Identify the Main Topic. Use my analogies. The topic we learned in chemistry today was __________, which is a lot like…  Give an example of the topic. For instance, _____ is a good example of the topic because…  Explain additional details of your example. Furthermore, example shows the topic because it portrays…

9. How much Chlorine gas is produced by decomposing 36 grams of Calcium Chloride? QUESTION #9 1CaCl 2 1Ca + 1Cl 2 DECOMPOSITION REACTION AVOGADRO STYLE AVOGADRO STYLE

GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS PRODUCT 2 GRAMS PRODUCT 2 GRAMS PRODUCT 1 GRAMS PRODUCT Ca 1Cl 2 1CaCl 2 9. How much Chlorine gas is produced by decomposing 36 grams of Calcium Chloride? 1Cl CaCl 2 1Cl CaCl 2

9. How much Chlorine gas is produced by decomposing 36 grams of Calcium Chloride? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 36g ?? 110g/mol ÷ 1CaCl 2  1Cl 2 36 grams CaCl 2  21 grams Cl 2 ? ?0.3mol0.3mol 70g/mol x = 0.3 moles CaCl 2 = 0.3 moles Cl 2 = 21 grams O 2

Known 36g CaCl How much Chlorine gas is produced by decomposing 36 grams of Calcium Chloride? Molar Mass 1mol 110g Mole Ratio 1Cl 2 1CaCl 2 Molar Mass 70g 1mol Answer = 21g Cl 2 1CaCl 2 1Ca + 1Cl 2

10. When 680 grams of Silver Nitrate reacts with Magnesium, how many grams of Silver are produced? QUESTION #10 1Mg + 2AgNO 3 1Mg(NO 3 ) 2 + 1Ag SINGLE REPLACEMENT REACTION

GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS PRODUCT 2 GRAMS PRODUCT 2 GRAMS PRODUCT 1 GRAMS PRODUCT When 680 grams of Silver Nitrate reacts with Magnesium, how many grams of Silver are produced? 1Ag AgNO 3 1Ag AgNO 3 GRAMS REACTANT 2 GRAMS REACTANT Mg(NO 3 ) 2 1Ag 1Mg 2AgNO 3 + +

10. When 680 grams of Silver Nitrate reacts with Magnesium, how many grams of Silver are produced? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 680g ?? 170g/mol ÷ 2AgNO 3  1Ag 680 grams AgNO 3  216 grams Ag ? ?2mol2mol 108g/mol x = 4 moles AgNO 3 = 2 moles Ag= 216 grams Ag

Known 680g AgNO When 680 grams of Silver Nitrate reacts with Magnesium, how many grams of Silver are produced? Molar Mass 1mol 170g Mole Ratio 1Ag 2AgNO 3 Molar Mass 108g 1mol Answer = 216g Ag 1Mg + 2AgNO 3 1Mg(NO 3 ) 2 + 1Ag

11. How many grams of Titanium Chloride are needed to produce 141 grams of Magnesium Chloride? QUESTION #11 2TiCl 3 + 3Mg 3MgCl 2 + 2Ti SINGLE REPLACEMENT REACTION

GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS PRODUCT 2 GRAMS PRODUCT 2 GRAMS PRODUCT 1 GRAMS PRODUCT How many grams of Titanium Chloride are needed to produce 141 grams of Magnesium Chloride? 2TiCl MgCl 2 2TiCl MgCl 2 GRAMS REACTANT 2 GRAMS REACTANT MgCl 2 2Ti 2TiCl 3 3Mg + +

11. How many grams of Titanium Chloride are needed to produce 141 grams of Magnesium Chloride? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 141g ?? 94g/mol ÷ 3MgCl 2  2TiCl grams MgCl 2  153 grams TiCl 3 ? ?1mol1mol 153g/mol x = 1.5 moles MgCl 2 = 1 mole TiCl 3 = 153 grams TiCl 3

Known 141g MgCl How many grams of Titanium Chloride are needed to produce 141 grams of Magnesium Chloride? Molar Mass 1mol 94g Mole Ratio 2TiCl 3 3MgCl 2 Molar Mass 153g 1mol Answer = 153g TiCl 3 2TiCl 3 + 3Mg 3MgCl 2 + 2Ti

12. If 54 grams of water are mixed with excess Magnesium Nitride, then how many grams of Ammonia are produced? QUESTION #12 1Mg 3 N 2 + 6H 2 O 2NH 3 + 3Mg(OH) 2 DOUBLE REPLACEMENT REACTION

GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS PRODUCT 2 GRAMS PRODUCT 2 GRAMS PRODUCT 1 GRAMS PRODUCT If 54 grams of water are mixed with excess Magnesium Nitride, then how many grams of Ammonia are produced? 3NH H 2 O 3NH H 2 O GRAMS REACTANT 2 GRAMS REACTANT NH 3 3Mg(OH) 2 1Mg 3 N 2 6H2O6H2O 6H2O6H2O + +

12. If 54 grams of water are mixed with excess Magnesium Nitride, then how many grams of Ammonia are produced? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 54g ?? 18g/mol ÷ 6H 2 O  2NH 3 54 grams H 2 O  17 grams NH 3 ? ?1mol1mol 17g/mol x = 3 moles H 2 O = 1 mole NH 3 = 17 grams NH 3

Known 54g H 2 O If 54 grams of water are mixed with excess Magnesium Nitride, then how many grams of Ammonia are produced? Molar Mass 1mol 18g Mole Ratio 2NH 3 6H2O6H2O Molar Mass 17g 1mol Answer = 17g NH 3 1Mg 3 N 2 + 6H 2 O 2NH 3 + 3Mg(OH) 2

13. What mass of Hydrogen Sulfate is needed to completely react with 232 grams of Sodium Chloride? QUESTION #13 DOUBLE REPLACEMENT REACTION 2NaCl + 1H 2 SO 4 2HCl + 1Na 2 SO 4 AVOGADRO STYLE AVOGADRO STYLE

GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS PRODUCT 2 GRAMS PRODUCT 2 GRAMS PRODUCT 1 GRAMS PRODUCT What mass of Hydrogen Sulfate is needed to completely react with 232 grams of Sodium Chloride? 1H 2 SO NaCl 1H 2 SO NaCl GRAMS REACTANT 2 GRAMS REACTANT HCl 2Na 2 SO 4 2NaCl 1H 2 SO 4 + +

13. What mass of Hydrogen Sulfate is needed to completely react with 232 grams of Sodium Chloride? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 232g ?? 58g/mol ÷ 2NaCl  1H 2 SO grams NaCl  196 grams H 2 SO 4 ? ?2mol2mol 98g/mol x = 4 moles NaCl = 2 moles H 2 SO 4 = 196 grams H 2 SO 4

Known 232g NaCl What mass of Hydrogen Sulfate is needed to completely react with 232 grams of Sodium Chloride? Molar Mass 1mol 58g Mole Ratio 1H 2 SO 4 2NaCl Molar Mass 98g 1mol Answer = 196g H 2 SO 4 2NaCl + 1H 2 SO 4 2HCl + 1Na 2 SO 4

14. How many grams of Lithium Hydroxide will react with 147 grams of Hydrogen Phosphate? QUESTION #14 DOUBLE REPLACEMENT REACTION 3LiOH + 1H 3 PO 4 1Li 3 PO 4 + 3H 2 O

GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS PRODUCT 2 GRAMS PRODUCT 2 GRAMS PRODUCT 1 GRAMS PRODUCT How many grams of Lithium Hydroxide will react with 147 grams of Hydrogen Phosphate? 3LiOH H 3 PO 4 3LiOH H 3 PO 4 GRAMS REACTANT 2 GRAMS REACTANT Li 3 PO 4 3H2O3H2O 3H2O3H2O 3LiOH 1H 3 PO 4 + +

14. How many grams of Lithium Hydroxide will react with 147 grams of Hydrogen Phosphate? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 147g ?? 98g/mol ÷ 1H 3 PO 4  3LiOH 232 grams H 3 PO 4  108 grams LiOH ? ?4.5mol4.5mol 24g/mol x = 1.5 moles H 3 PO 4 = 4.5 moles LiOH= 108 grams LiOH

Known 147g H 3 PO How many grams of Lithium Hydroxide will react with 147 grams of Hydrogen Phosphate? Molar Mass 1mol 98g Mole Ratio 3LiOH 1H 3 PO 4 Molar Mass 24g 1mol Answer = 108g LiOH 3LiOH + 1H 3 PO 4 1Li 3 PO 4 + 3H 2 O

15. If 110 grams of Carbon Dioxide is produced from combusting Butene, then how many grams of Oxygen is needed? QUESTION #15 COMBUSTION REACTION 1C 4 H 8 + 6O 2 4CO 2 + 4H 2 O

GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS PRODUCT 2 GRAMS PRODUCT 2 GRAMS PRODUCT 1 GRAMS PRODUCT If 110 grams of Carbon Dioxide is produced from combusting Butene, then how many grams of Oxygen is needed? 6O CO 2 6O CO 2 GRAMS REACTANT 2 GRAMS REACTANT CO 2 4H2O4H2O 4H2O4H2O 1C4H81C4H8 1C4H81C4H8 6O26O2 6O26O2 + +

15. If 110 grams of Carbon Dioxide is produced from combusting Butene, then how many grams of Oxygen is needed? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 110g ?? 44g/mol ÷ 4CO 2  6O grams CO 2  120 grams O 2 ? ?3.75mol3.75mol 32g/mol x = 2.5 moles CO 2 = 3.75 moles O 2 = 120 grams O 2

Known 110g CO If 110 grams of Carbon Dioxide is produced from combusting Butene, then how many grams of Oxygen is needed? Molar Mass 1mol 44g Mole Ratio 6O 2 4CO 2 Molar Mass 32g 1mol Answer = 120g O 2 1C 4 H 8 + 6O 2 4CO 2 + 4H 2 O

16. If 216 grams of Water is produced from combusting Propane, then how many grams of Carbon Dioxide is also produced? QUESTION #16 COMBUSTION REACTION 1C 3 H 8 + 5O 2 3CO 2 + 4H 2 O

GRAMS REACTANT 1 GRAMS REACTANT 1 GRAMS PRODUCT 2 GRAMS PRODUCT 2 GRAMS PRODUCT 1 GRAMS PRODUCT If 216 grams of Water is produced from combusting Propane, then how many grams of Carbon Dioxide is also produced? 3CO H 2 O 3CO H 2 O GRAMS REACTANT 2 GRAMS REACTANT CO 2 4H2O4H2O 4H2O4H2O 1C3H81C3H8 1C3H81C3H8 5O25O2 5O25O2 + +

16. If 216 grams of Water is produced from combusting Propane, then how many grams of Carbon Dioxide is also produced? Stoi-CanyonUse Mole Bridge to Find Moles Use Mole RatioUse Mole Bridge to Find Grams 216g ?? 18g/mol ÷ 3CO 2  4H 2 O 232 grams H 2 O  396 grams CO 2 ? ?9mol9mol 44g/mol x = 12 moles H 2 O = 9 moles CO 2 = 396 grams CO 2

Known 216g H 2 O If 216 grams of Water is produced from combusting Propane, then how many grams of Carbon Dioxide is also produced? Molar Mass 1mol 18g Mole Ratio 3CO 2 4H2O4H2O Molar Mass 44g 1mol Answer = 396g CO 2 1C 3 H 8 + 5O 2 3CO 2 + 4H 2 O

LESSON SUMMARY  Identify the Main Topic. Use my analogies. The topic we learned in chemistry today was __________, which is a lot like…  Give an example of the topic. For instance, _____ is a good example of the topic because…  Explain additional details of your example. Furthermore, example shows the topic because it portrays…

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