Molecular Interpretations in Thermodynamics Quiz
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Questions and Answers

What is the mass of glucose (C6H12O6) required to produce 1.2 g of water?

  • 1.20 g
  • 3.60 g
  • 2.40 g (correct)
  • 0.40 g

    • In the combustion of glucose, what is the mole ratio of CO2 to H2O?

  • 2:1
  • 6:1 (correct)
  • 1:2
  • 1:1

    • What is the mass of oxygen produced from the decomposition of 2.25 g of KClO3?

  • 3.54 g
  • 0.89 g
  • 5.06 g
  • 1.77 g (correct)

    • What is the molecular formula of the compound used in glue?

    <p>C3H5O2</p> Signup and view all the answers

    What is the volume of 1.00 g of the compound used in glue at 100°C and 1.00 atm?

    <p>345 mL</p> Signup and view all the answers

    What is the pressure of the CO2 gas in a 10.0-L flask at 20.0°C if 50.0 g of a mixture of MgCO3 and NaCl is heated?

    <p>755 torr</p> Signup and view all the answers

    What is the mass of MgCO3 in the original sample if 50.0 g of the mixture produces 10.0 L of CO2 at 20.0°C and 755 torr?

    <p>35.0 g</p> Signup and view all the answers

    What is the mole ratio of MgCO3 to NaCl in the original sample if 50.0 g of the mixture produces 10.0 L of CO2 at 20.0°C and 755 torr?

    <p>3:2</p> Signup and view all the answers

    What is the total mass of MgCO3 and NaCl in the original sample if 50.0 g of the mixture produces 10.0 L of CO2 at 20.0°C and 755 torr?

    <p>50.0 g</p> Signup and view all the answers

    What is the percentage of MgCO3 in the original sample if 50.0 g of the mixture produces 10.0 L of CO2 at 20.0°C and 755 torr?

    <p>60.0%</p> Signup and view all the answers

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