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Section 11.3: Stoichiometry of Gases

Section 11.3: Stoichiometry of Gases. Apply Gay-Lussac and Avogadro’s discoveries to the stoichiometry of reactions involving gases… For gaseous reactants or products, the coefficients in chemical equations reveal volume ratios (like mole ratios). Volume-Volume Calculations. Example:

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Section 11.3: Stoichiometry of Gases

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  1. Section 11.3: Stoichiometry of Gases • Apply Gay-Lussac and Avogadro’s discoveries to the stoichiometry of reactions involving gases… For gaseous reactants or products, the coefficients in chemical equations reveal volume ratios (like mole ratios)

  2. Volume-Volume Calculations • Example: C3H8 + 5 O2 3 CO2 + 4 H2O If the volume of propane combusted is 0.350 L…. What is the volume of CO2 produced?

  3. Volume-Volume Calculations • Example: C3H8 + 5 O2 3 CO2 + 4 H2O If the volume of propane combusted is 0.350 L…. What is the volume of CO2 produced?

  4. Volume-Volume Calculations • Example: C3H8 + 5 O2 3 CO2 + 4 H2O If the volume of propane combusted is 0.350 L…. What is the volume of O2 required?

  5. Volume-Mass Calculations Example: CaCO3  CaO + CO2 How many grams of calcium carbonate must be decomposed to produce 5.00 L of carbon dioxide gas at STP?

  6. Volume-Mass Calculations Example: CaCO3  CaO + CO2 How many grams of calcium carbonate must be decomposed to produce 5.00 L of carbon dioxide gas at STP?

  7. Volume-Mass Calculations Example: CaCO3  CaO + CO2 How many grams of calcium carbonate must be decomposed to produce 5.00 L of carbon dioxide gas at STP?

  8. Volume-Mass Calculations Example: CaCO3  CaO + CO2 How many grams of calcium carbonate must be decomposed to produce 5.00 L of carbon dioxide gas at STP?

  9. Mass-Volume Calculations Example: WO3 + 3 H2  W + 3 H2O How many liters of hydrogen gas at 35˚C and 0.980 atm are needed to react completely with 875 g of tungsten oxide?

  10. Mass-Volume Calculations Example: WO3 + 3 H2  W + 3 H2O How many liters of hydrogen gas at 35˚C and 0.980 atm are needed to react completely with 875 g of tungsten oxide?

  11. Mass-Volume Calculations Example: WO3 + 3 H2  W + 3 H2O How many liters of hydrogen gas at 35˚C and 0.980 atm are needed to react completely with 875 g of tungsten oxide?

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