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Section 11.3: Stoichiometry of Gases Apply Gay-Lussac and Avogadro’s discoveries to the stoichiometry of reactions involving gases… For gaseous reactants.

Published byRichard Golden Modified over 9 years ago

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Presentation on theme: "Section 11.3: Stoichiometry of Gases Apply Gay-Lussac and Avogadro’s discoveries to the stoichiometry of reactions involving gases… For gaseous reactants."— Presentation transcript:

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: C 3 H 8 + 5 O 2  3 CO 2 + 4 H 2 O If the volume of propane combusted is 0.350 L…. What is the volume of CO 2 produced?

3 Volume-Volume Calculations Example: C 3 H 8 + 5 O 2  3 CO 2 + 4 H 2 O If the volume of propane combusted is 0.350 L…. What is the volume of CO 2 produced?

4 Volume-Volume Calculations Example: C 3 H 8 + 5 O 2  3 CO 2 + 4 H 2 O 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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