Pressure Calculations Quiz
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Questions and Answers

Which of the following pressures will 14.0 g of CO exert in a 3.5 L container at 75°C (M CO = 28.01 g/mol)?

  • 5.0 atm
  • 6.4 atm (correct)
  • 0.88 atm
  • 4.1 atm
  • What was the initial pressure exerted on a balloon containing 7.20 L of He, if the pressure is reduced to 2.00 atm and the balloon expands to occupy a volume of 25.1 L?

  • 14.4 atm
  • 6.97 atm
  • 3.60 atm (correct)
  • 0.574 atm
  • What is the density of nitric oxide (NO) gas at 0.866 atm and 46.2 °C in g/L?

  • 0.991
  • 0.0330
  • 9.79 × 10-3
  • 0.228 (correct)
  • Place the following gases in order of increasing density at STP: Ne, NH3, N2O4, Kr.

    <p>N2O4 &lt; Kr &lt; Ne &lt; NH3</p> Signup and view all the answers

    What is the partial pressure of SO2 in a mixture of 0.220 moles CO, 0.350 moles SO2, and 0.640 moles He, if the total pressure is 2.95 atm?

    <p>1.03 atm</p> Signup and view all the answers

    Which of the following pressures will 14.0 g of CO exert in a 3.5 L container at 75°C (M CO = 28.01 g/mol)?

    <p>6.4 atm</p> Signup and view all the answers

    What was the initial pressure exerted on a balloon containing 7.20 L of He, if the pressure is reduced to 2.00 atm and the balloon expands to occupy a volume of 25.1 L?

    <p>14.4 atm</p> Signup and view all the answers

    What is the density of nitric oxide (NO) gas at 0.866 atm and 46.2 °C in g/L?

    <p>0.0330</p> Signup and view all the answers

    Place the following gases in order of increasing density at STP: Ne, NH3, N2O4, Kr.

    <p>Ne &lt; Kr &lt; N2O4 &lt; NH3</p> Signup and view all the answers

    What is the partial pressure of SO2 in a mixture of 0.220 moles CO, 0.350 moles SO2, and 0.640 moles He, if the total pressure is 2.95 atm?

    <p>0.853 atm</p> Signup and view all the answers

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