Boyle-Mariotte Law Quiz
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Questions and Answers

What is the standard temperature at STP?

  • 25°C
  • 273.15 K
  • 0°C (correct)
  • 298 K
  • What is the value of the standard molar volume in liters?

  • 22.4141 L (correct)
  • 22.0 L
  • 23.0 L
  • 24.0 L
  • What is the relationship between the volume and pressure of an ideal gas at constant temperature?

  • Directly proportional
  • Inversely proportional (correct)
  • Constant
  • None of the above
  • What is the value of the universal gas constant R in SI units?

    <p>8.31447 J/mol·K</p> Signup and view all the answers

    What is the condition for the ideal gas law to be applicable?

    <p>Low pressure and high temperature</p> Signup and view all the answers

    What is the correct unit for the volume of a gas in the ideal gas law?

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

    What is the relationship between the pressure exerted by a fixed amount of gas and its absolute temperature at constant volume?

    <p>Directly proportional</p> Signup and view all the answers

    What is the effect of a decrease in temperature on the pressure of an ideal gas at constant volume?

    <p>Pressure decreases</p> Signup and view all the answers

    What is the relationship between the volume occupied by a gas and the amount of gas at fixed temperature and pressure?

    <p>Directly proportional</p> Signup and view all the answers

    What is the effect of an increase in temperature on the pressure of an ideal gas at constant volume?

    <p>Pressure increases</p> Signup and view all the answers

    What is the value of the constant in the Combined Gas Law dependent on?

    <p>The amount of gas in the experiment</p> Signup and view all the answers

    What is the statement that is true about equal volumes of any ideal gas at fixed temperature and pressure?

    <p>They contain equal numbers of particles</p> Signup and view all the answers

    What does Boyle's Law state?

    <p>Volume is inversely proportional to the external pressure.</p> Signup and view all the answers

    What happens to the pressure as the volume of a gas increases at constant temperature, according to Boyle's Law?

    <p>Pressure decreases.</p> Signup and view all the answers

    In the ideal gas equation PV = nRT, what does 'n' represent?

    <p>Moles of gas</p> Signup and view all the answers

    What changes the value of the constant in Boyle's Law?

    <p>Temperature and amount of gas</p> Signup and view all the answers

    What does the slope of the linear function in Charles's Law represent?

    <p>Temperature changes</p> Signup and view all the answers

    According to Charles's Law, what happens to the volume as the temperature of a gas decreases at a constant pressure?

    <p>Volume decreases.</p> Signup and view all the answers

    What is the amount of moles of CO2 in the reaction 2LiOH(s) + CO2(g) → Li2CO3(s) + H2O(l), given 395g of LiOH?

    <p>8.25 mol</p> Signup and view all the answers

    In the reaction Cl2(g) + 2K(s) → 2KCl(s), what is the amount of moles of Cl2 gas, given 5.25 L of chlorine gas at 0.950 atm and 293 K?

    <p>0.207 mol</p> Signup and view all the answers

    What is the pressure of the CO2 gas in the reaction 2LiOH(s) + CO2(g) → Li2CO3(s) + H2O(l), given 395g of LiOH and a temperature of 23°C?

    <p>0.942 atm</p> Signup and view all the answers

    What is the volume of the CO2 gas in the reaction 2LiOH(s) + CO2(g) → Li2CO3(s) + H2O(l), given 395g of LiOH and a temperature of 23°C?

    <p>213 L</p> Signup and view all the answers

    What is the limiting reactant in the reaction Cl2(g) + 2K(s) → 2KCl(s), given 5.25 L of chlorine gas at 0.950 atm and 293 K and 17.0 g of potassium?

    <p>Both Cl2 and K</p> Signup and view all the answers

    What is the mass of potassium chloride that forms when 5.25 L of chlorine gas at 0.950 atm and 293 K reacts with 17.0 g of potassium?

    <p>25.5 g</p> Signup and view all the answers

    At what temperature does a steel tank, filled with 0.885 kg of O2 in 438 L, have a pressure of 1.53 atm?

    <p>294 K</p> Signup and view all the answers

    Which gas law should be applied to determine the pressure of O2 in the steel tank filled with 0.885 kg of O2?

    <p>Ideal Gas Law</p> Signup and view all the answers

    In Sample Problem 5.7, what happens to the temperature as the gaseous reaction occurs?

    <p>It increases</p> Signup and view all the answers

    What is the pressure after the gaseous reaction in Sample Problem 5.7 depicted at constant pressure?

    <p>2.06 atm</p> Signup and view all the answers

    What is the pressure calculated by applying the Ideal Gas Law for the reaction analyzed in Sample Problem 5.7?

    <p>2.06 atm</p> Signup and view all the answers

    Which gas variable is determined when solving for the pressure of O2 in the steel tank filled with 0.885 kg of O2?

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

    Which of the following is a characteristic of gases that distinguishes them from liquids and solids?

    <p>Their volume changes significantly with pressure and temperature.</p> Signup and view all the answers

    What is the significance of the average speed of gas molecules or atoms at room temperature?

    <p>It is a measure of the kinetic energy of the molecules.</p> Signup and view all the answers

    Which of the following is an example of the flow of gases?

    <p>Gas leaking from a container.</p> Signup and view all the answers

    How do the densities of gases compare to those of liquids and solids?

    <p>They are 1000 times less.</p> Signup and view all the answers

    What is a characteristic of the mixing of gases?

    <p>They mix in any proportions.</p> Signup and view all the answers

    Which of the following is a consequence of the significant volume changes of gases with temperature?

    <p>They are useful for lifting and popping.</p> Signup and view all the answers

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