Reacting volumes

• What is the equation for sodium ion formation?

  Na eq → Na+
• What are the four state symbols in chemistry?

  Solid, liquid, gas, aqueous
• Which gases are diatomic in their elemental form?

  H₂, N₂, O₂, F₂, Cl₂, Br₂, I₂
• What is the ideal gas equation?

  PV = nRT
• What is the volume of 1 mole of gas at room temperature and pressure?

  24 dm³
• How do you calculate the volume of 0.400 moles of an ideal gas at 100°C and 500 kPa?

  Use PV = nRT to find volume
• What is relative molecular mass?

  It is the mass of a molecule relative to carbon-12
• How do you balance a chemical equation?

  Adjust coefficients to equalize atom counts
• How do you calculate the mass of iron oxide produced from 7.8 kg of iron reacting with oxygen?

  Use stoichiometry from the balanced equation
• What is the significance of gas molar volume in reactions?

  • Simplifies calculations of gas reaction volumes
  • Shows volume ratios from balanced equations
• What volume of CO₂ is produced from 15g of calcium carbonate at R.T.P.?

  3.60 dm³
• How do you find the volume of hydrogen produced from 3.00g of zinc reacting with sulfuric acid?

  Calculate moles and use stoichiometry
• What volume of carbon dioxide is produced from 15g of calcium carbonate at 840°C and 100 kPa?

  $0.0139 \text{ m}^3$
• How do you calculate the volume of carbon dioxide from burning 0.5 kg of propane?

  Use PV = nRT with stoichiometry
• What volume of oxygen is needed to burn 1 dm³ of methane?

  2 dm³ of oxygen
• What is the leftover gas when 100 cm³ of hydrogen bromide reacts with 80 cm³ of ammonia?

  20 cm³ of hydrogen bromide
• What is the total volume of gases after reacting 100 cm³ of methane with 500 cm³ of oxygen?

  600 cm³ of gases
• What is the final volume of gases after burning 4 dm³ of hydrogen sulfide?

  2 dm³ of SO₂ and 2 dm³ of H₂O
• How do you find the volume of ethyne from 10.0 g of calcium carbide?

  Use stoichiometry and gas laws
• What mass of potassium chlorate is needed for 1.00 dm³ of oxygen?

  Calculate using stoichiometry
• What volume of hydrogen gas is produced from 1.00 g of sodium with water?

  Calculate using stoichiometry
• What volume of carbon dioxide is formed from burning 1 kg of propane?

  Calculate using stoichiometry
• What are the three reactions in the Ostwald Process for nitric acid production?

  NH₃ + O₂ → NO, NO + O₂ → NO₂, NO₂ + H₂O → HNO₃
• How do you calculate the amount of NO produced in the Ostwald Process?

  Use volume and ideal gas law
• What is the relationship between moles and gas volumes in reactions?

  • Moles of gases relate to their volumes
  • Balanced equations show volume ratios