Balancing equations

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  • Balancing equations

    1. 1. C ING LA NBA CHEMICAL EQUATIONS (“The Baker’s Dozen”) IBMYP G10 Science International School of Tanganyika
    2. 2. RUL ES REACTANTS = PRODUCTSCOEFFICIENTS MULTIPLY EVERYTHING COUNT & LIST BE METHODICAL OXYGEN & HYDROGEN LAST
    3. 3. l a r Ag = 107.9 amu o s Ag = 107.9 g/molM as Like this... The atomic mass of an M element expressed in grams is the mass of one mole (6.02e23 atoms) of that element.N = 14.01 amuN = 14.01 g/mol Like this...
    4. 4. H2 + O2 → H2O
    5. 5. H2 + O2 → H2O
    6. 6. H2 + O2 → H2O2H2 + O2 → 2H2O
    7. 7. H2 + O2 → H2O2H2 + O2 → 2H2O
    8. 8. H2 + O2 → H2O 2H2 + O2 → 2H2OHow many moles of hydrogen are needed to produce 13 moles of water?
    9. 9. H2 + O2 → H2O 2H2 + O2 → 2H2O How many moles of hydrogen are needed to produce 13 moles of water?How many moles of hydrogen would be needed to react with 48g of oxygen gas?
    10. 10. H2 + O2 → H2O 2H2 + O2 → 2H2O How many moles of hydrogen are needed to produce 13 moles of water?How many moles of hydrogen would be needed to react with 48g of oxygen gas?
    11. 11. Fe + Cl2 → FeCl3
    12. 12. Fe + Cl2 → FeCl3
    13. 13. Fe + Cl2 → FeCl32Fe + 3Cl2 → 2FeCl3
    14. 14. Fe + Cl2 → FeCl3 2Fe + 3Cl2 → 2FeCl3How many moles of chlorine are needed to produce 5 moles of iron(III)chloride?
    15. 15. Fe + Cl2 → FeCl3 2Fe + 3Cl2 → 2FeCl3How many moles of chlorine are needed to produce 5 moles of iron(III)chloride?
    16. 16. Fe + Cl2 → FeCl3 2Fe + 3Cl2 → 2FeCl3How many moles of chlorine are needed to produce 5 moles of iron(III)chloride?How many grams of chlorine gas are needed to react with 8 moles of iron?
    17. 17. Fe + Cl2 → FeCl3 2Fe + 3Cl2 → 2FeCl3How many moles of chlorine are needed to produce 5 moles of iron(III)chloride?How many grams of chlorine gas are needed to react with 8 moles of iron?
    18. 18. Fe + Cl2 → FeCl3 2Fe + 3Cl2 → 2FeCl3How many moles of chlorine are needed to produce 5 moles of iron(III)chloride?How many grams of chlorine gas are needed to react with 8 moles of iron? How many grams of iron are needed to produce 250g of iron(III)chloride?
    19. 19. MOLE RATIO
    20. 20. MOLE RATIO2Fe + 3Cl2 → 2FeCl3
    21. 21. MOLE RATIO2Fe + 3Cl2 → 2FeCl32 mol Fe : 3 mol Cl2 : 2 mol FeCl3
    22. 22. MOLE RATIO2Fe + 3Cl2 → 2FeCl32 mol Fe : 3 mol Cl2 : 2 mol FeCl3
    23. 23. MOLE RATIO2Fe + 3Cl2 → 2FeCl32 mol Fe : 3 mol Cl2 : 2 mol FeCl3 This means
    24. 24. MOLE RATIO2Fe + 3Cl2 → 2FeCl32 mol Fe : 3 mol Cl2 : 2 mol FeCl3 This means10 mol Fe will react with 15 mol Cl2 to produce 10 mol FeCl3
    25. 25. MOLE RATIO2Fe + 3Cl2 → 2FeCl32 mol Fe : 3 mol Cl2 : 2 mol FeCl3 This means10 mol Fe will react with 15 mol Cl2 to produce 10 mol FeCl3 because 10:15:10
    26. 26. MOLE RATIO2Fe + 3Cl2 → 2FeCl32 mol Fe : 3 mol Cl2 : 2 mol FeCl3 This means10 mol Fe will react with 15 mol Cl2 to produce 10 mol FeCl3 because 10:15:10 can be reduced to
    27. 27. MOLE RATIO2Fe + 3Cl2 → 2FeCl32 mol Fe : 3 mol Cl2 : 2 mol FeCl3 This means10 mol Fe will react with 15 mol Cl2 to produce 10 mol FeCl3 because 10:15:10 can be reduced to 2:3:2
    28. 28. KO2 + CO2 → K2CO3 + O2
    29. 29. KO2 + CO2 → K2CO3 + O2
    30. 30. KO2 + CO2 → K2CO3 + O24KO2 + 2CO2 → 2K2CO3 + 3O2
    31. 31. KO2 + CO2 → K2CO3 + O2 4KO2 + 2CO2 → 2K2CO3 + 3O2How many moles of potassium oxide are needed to produce 5 moles of oxygen gas?
    32. 32. KO2 + CO2 → K2CO3 + O2 4KO2 + 2CO2 → 2K2CO3 + 3O2How many moles of potassium oxide are needed to produce 5 moles of oxygen gas?
    33. 33. KO2 + CO2 → K2CO3 + O2 4KO2 + 2CO2 → 2K2CO3 + 3O2How many moles of potassium oxide are needed to produce 5 moles of oxygen gas?How many grams of carbon dioxide are needed to react with 25g of potassium oxide?
    34. 34. KO2 + CO2 → K2CO3 + O2 4KO2 + 2CO2 → 2K2CO3 + 3O2How many moles of potassium oxide are needed to produce 5 moles of oxygen gas?How many grams of carbon dioxide are needed to react with 25g of potassium oxide?
    35. 35. KO2 + CO2 → K2CO3 + O2 4KO2 + 2CO2 → 2K2CO3 + 3O2How many moles of potassium oxide are needed to produce 5 moles of oxygen gas?How many grams of carbon dioxide are needed to react with 25g of potassium oxide?How many grams of potassium carbonate are produced from 250g of KO2?
    36. 36. Zn + HCl → ZnCl2 + H2
    37. 37. Zn + HCl → ZnCl2 + H2
    38. 38. Zn + HCl → ZnCl2 + H2Zn + 2HCl → ZnCl2 + H2
    39. 39. Zn + HCl → ZnCl2 + H2 Zn + 2HCl → ZnCl2 + H2How many grams of hydrochloric acid will produce 5 moles of zinc(II)chloride?
    40. 40. Zn + HCl → ZnCl2 + H2 Zn + 2HCl → ZnCl2 + H2How many grams of hydrochloric acid will produce 5 moles of zinc(II)chloride?
    41. 41. Zn + HCl → ZnCl2 + H2 Zn + 2HCl → ZnCl2 + H2How many grams of hydrochloric acid will produce 5 moles of zinc(II)chloride? How many grams of zinc will react with 8.5 moles of HCl?
    42. 42. Zn + HCl → ZnCl2 + H2 Zn + 2HCl → ZnCl2 + H2How many grams of hydrochloric acid will produce 5 moles of zinc(II)chloride? How many grams of zinc will react with 8.5 moles of HCl?
    43. 43. Zn + HCl → ZnCl2 + H2 Zn + 2HCl → ZnCl2 + H2How many grams of hydrochloric acid will produce 5 moles of zinc(II)chloride? How many grams of zinc will react with 8.5 moles of HCl? How many hydrogen molecules will be produced by the reaction of 250g of Zn with excess HCl?
    44. 44. Pb(NO3)2 + AlCl3 → PbCl2 + Al(NO3)3
    45. 45. Pb(NO3)2 + AlCl3 → PbCl2 + Al(NO3)3
    46. 46. Pb(NO3)2 + AlCl3 → PbCl2 + Al(NO3)33Pb(NO3)2 + 2AlCl3 → 3PbCl2 + 2Al(NO3)3
    47. 47. Pb(NO3)2 + AlCl3 → PbCl2 + Al(NO3)33Pb(NO3)2 + 2AlCl3 → 3PbCl2 + 2Al(NO3)3
    48. 48. Pb(NO3)2 + AlCl3 → PbCl2 + Al(NO3)33Pb(NO3)2 + 2AlCl3 → 3PbCl2 + 2Al(NO3)3How many moles of lead nitrate are needed to produce 567.5g of lead chloride?
    49. 49. Pb(NO3)2 + AlCl3 → PbCl2 + Al(NO3)33Pb(NO3)2 + 2AlCl3 → 3PbCl2 + 2Al(NO3)3How many moles of lead nitrate are needed to produce 567.5g of lead chloride?
    50. 50. Pb(NO3)2 + AlCl3 → PbCl2 + Al(NO3)33Pb(NO3)2 + 2AlCl3 → 3PbCl2 + 2Al(NO3)3How many moles of lead nitrate are needed to produce 567.5g of lead chloride? How many grams of aluminum chloride gas are needed to produce 9.52e24 particles of aluminum nitrate?
    51. 51. Pb(NO3)2 + AlCl3 → PbCl2 + Al(NO3)33Pb(NO3)2 + 2AlCl3 → 3PbCl2 + 2Al(NO3)3How many moles of lead nitrate are needed to produce 567.5g of lead chloride? How many grams of aluminum chloride gas are needed to produce 9.52e24 particles of aluminum nitrate?
    52. 52. Pb(NO3)2 + AlCl3 → PbCl2 + Al(NO3)33Pb(NO3)2 + 2AlCl3 → 3PbCl2 + 2Al(NO3)3How many moles of lead nitrate are needed to produce 567.5g of lead chloride? How many grams of aluminum chloride gas are needed to produce 9.52e24 particles of aluminum nitrate? How many nitrogen atoms are needed to produce 125g of aluminum nitrate?
    53. 53. Cu + AgNO3 → Cu(NO3)2 + Ag
    54. 54. Cu + AgNO3 → Cu(NO3)2 + Ag
    55. 55. Cu + AgNO3 → Cu(NO3)2 + AgCu + 2AgNO3 → Cu(NO3)2 + 2Ag
    56. 56. Cu + AgNO3 → Cu(NO3)2 + AgCu + 2AgNO3 → Cu(NO3)2 + 2Ag
    57. 57. Cu + AgNO3 → Cu(NO3)2 + AgCu + 2AgNO3 → Cu(NO3)2 + 2Ag (it looks tough but is actually pretty simple)
    58. 58. Na2SO4 + C → Na2S + CO2
    59. 59. Na2SO4 + C → Na2S + CO2
    60. 60. Na2SO4 + C → Na2S + CO2Na2SO4 + 2C → Na2S + 2CO2
    61. 61. Na2SO4 + C → Na2S + CO2Na2SO4 + 2C → Na2S + 2CO2 (simple simple...)
    62. 62. Na2SO4 + C → Na2S + CO2Na2SO4 + 2C → Na2S + 2CO2 (simple simple...)
    63. 63. Pb(NO3)2 + AlCl3 → PbCl2 + Al(NO3)3
    64. 64. Pb(NO3)2 + AlCl3 → PbCl2 + Al(NO3)3
    65. 65. Pb(NO3)2 + AlCl3 → PbCl2 + Al(NO3)33Pb(NO3)2 + 2AlCl3 → 3PbCl2 + 2Al(NO3)3
    66. 66. Pb(NO3)2 + AlCl3 → PbCl2 + Al(NO3)33Pb(NO3)2 + 2AlCl3 → 3PbCl2 + 2Al(NO3)3
    67. 67. Pb(NO3)2 + AlCl3 → PbCl2 + Al(NO3)33Pb(NO3)2 + 2AlCl3 → 3PbCl2 + 2Al(NO3)3 (that was a little harder, but not really...)
    68. 68. CH2Cl2 + O2 → CO2 + H2O + Cl2
    69. 69. CH2Cl2 + O2 → CO2 + H2O + Cl2
    70. 70. CH2Cl2 + O2 → CO2 + H2O + Cl22CH2Cl2 + 3O2 → 2CO2 + 2H2O + 2Cl2
    71. 71. CH2Cl2 + O2 → CO2 + H2O + Cl22CH2Cl2 + 3O2 → 2CO2 + 2H2O + 2Cl2
    72. 72. CH2Cl2 + O2 → CO2 + H2O + Cl22CH2Cl2 + 3O2 → 2CO2 + 2H2O + 2Cl2 (getting tougher...)
    73. 73. C3H8 + O2 → CO2 + H2O
    74. 74. C3H8 + O2 → CO2 + H2O
    75. 75. C3H8 + O2 → CO2 + H2OC3H8 + 5O2 → 3CO2 + 4H2O
    76. 76. C3H8 + O2 → CO2 + H2OC3H8 + 5O2 → 3CO2 + 4H2O (not too bad...)
    77. 77. C3H8 + O2 → CO2 + H2OC3H8 + 5O2 → 3CO2 + 4H2O (not too bad...)
    78. 78. Ag2(CO3) → Ag + CO2 + O2
    79. 79. Ag2(CO3) → Ag + CO2 + O2
    80. 80. Ag2(CO3) → Ag + CO2 + O22Ag2(CO3) → 4Ag + 2CO2 + O2
    81. 81. Ag2(CO3) → Ag + CO2 + O22Ag2(CO3) → 4Ag + 2CO2 + O2
    82. 82. Ag2(CO3) → Ag + CO2 + O22Ag2(CO3) → 4Ag + 2CO2 + O2 (it looks tricky...)
    83. 83. C4H10S + O2 → CO2 + H2O + SO3
    84. 84. C4H10S + O2 → CO2 + H2O + SO3
    85. 85. C4H10S + O2 → CO2 + H2O + SO3C4H10S + 8O2 → 4CO2 + 5H2O + SO3
    86. 86. C4H10S + O2 → CO2 + H2O + SO3C4H10S + 8O2 → 4CO2 + 5H2O + SO3
    87. 87. C4H10S + O2 → CO2 + H2O + SO3C4H10S + 8O2 → 4CO2 + 5H2O + SO3 (yikes!)
    88. 88. C2H3N + O2 → CO + H2O + NO2
    89. 89. C2H3N + O2 → CO + H2O + NO2
    90. 90. C2H3N + O2 → CO + H2O + NO24C2H3N + 11O2 → 8CO + 6H2O + 4NO2
    91. 91. C2H3N + O2 → CO + H2O + NO24C2H3N + 11O2 → 8CO + 6H2O + 4NO2
    92. 92. C2H3N + O2 → CO + H2O + NO24C2H3N + 11O2 → 8CO + 6H2O + 4NO2 (that was tough!)

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