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 (C)</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 (C)</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 (C)</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 (B)</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 (A)</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 (D)</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 (D)</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 (A)</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 (D)</p> Signup and view all the answers

What does Boyle's Law state?

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

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

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

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

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

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

<p>Temperature changes (C)</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. (B)</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 (B)</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 (D)</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 (B)</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 (D)</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 (D)</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 (A)</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 (D)</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 (D)</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 (D)</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 (A)</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 (C)</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 (C)</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. (A)</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. (A)</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. (D)</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. (C)</p> Signup and view all the answers

What is a characteristic of the mixing of gases?

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

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