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Gas Laws (Grades 11-12)

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Gas Laws

1. 
Under what conditions does a real gas obey gas laws?
  1. low pressure and high temperature
  2. low temperature and high pressure
  3. low pressure and low temperature
  4. high pressure and high temperature
 
2. 
Which equation is used in Boyle's Law calculations?
  1. [math]PV = "constant"[/math]
  2. [math](V)/(T) = "constant"[/math]
  3. [math](PV)/T = "constant"[/math]
3. 
Which of the following equations represents Charles' Law?
  1. [math]PV = "constant"[/math]
  2. [math](V)/(T) = "constant"[/math]
  3. [math](PV)/T = "constant"[/math]
 
4. 
What is the value of universal gas constant (R)?
  1. [math]8.314 J mol^(-1) K^(-1)[/math]
  2. [math]8.257 J mol^(-1) K^(-1)[/math]
  3. [math]8.654 J mol^(-1) K^(-1)[/math]
  4. [math]8.564 J mol^(_1) K^(-1)[/math]
5. 
Under what conditions does the Van der Waals equation get reduced to PV = RT?
  1. At low pressure
  2. At high pressure
  3. At extremely low pressure and high temperature
 
6. 
Under identical conditions of temperature and pressure, what is the expression for compressibility factor?
  1. [math]Z = (V_(real gas) ) / (V_(ideal gas))[/math]
  2. [math]Z = (V_(ideal gas) )/(V_(real gas))[/math]
  3. [math]Z = V_(real gas) xx V_(ideal gas)[/math]
  4. [math]Z = V_(real gas) - V_(ideal gas)[/math]
7. 
Which of the following equations represents the equation for the pressure of a real gas?
  1. [math]P={nRT}/{V-nb}[/math]
  2. [math]P={nRT}/{V-R}[/math]
  3. [math]P={nRT}/{V}[/math]
  4. [math]P={nRT}/{V-1}[/math]
 
8. 
Which of the following correctly describes Avogadro's Law?
  1. Pressure is inversely proportional to volume
  2. Pressure is directly proportional to temperature
  3. Volume is directly proportional to temperature
  4. Volume is directly proportional to the number of moles
9. 
A real gas exists more readily at a pressure                             .
 
10. 
The equation for Dalton's Law of Partial Pressures is as follows: [math]"P"_"total" = P_1 + P_2 + ...[/math]. Write the result of a derivation for the pressure of an ideal gas, in terms of Dalton's Law of Partial Pressures.



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