Gas Laws (Grades 11-12)
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Gas Laws
1.
Under what conditions does a real gas obey gas laws?
- low pressure and high temperature
- low temperature and high pressure
- low pressure and low temperature
- high pressure and high temperature
2.
Which equation is used in Boyle's Law calculations?
- [math]PV = "constant"[/math]
- [math](V)/(T) = "constant"[/math]
- [math](PV)/T = "constant"[/math]
3.
Which of the following equations represents Charles' Law?
- [math]PV = "constant"[/math]
- [math](V)/(T) = "constant"[/math]
- [math](PV)/T = "constant"[/math]
4.
What is the value of universal gas constant (R)?
- [math]8.314 J mol^(-1) K^(-1)[/math]
- [math]8.257 J mol^(-1) K^(-1)[/math]
- [math]8.654 J mol^(-1) K^(-1)[/math]
- [math]8.564 J mol^(_1) K^(-1)[/math]
5.
Under what conditions does the Van der Waals equation get reduced to PV = RT?
- At low pressure
- At high pressure
- At extremely low pressure and high temperature
6.
Under identical conditions of temperature and pressure, what is the expression for compressibility factor?
- [math]Z = (V_(real gas) ) / (V_(ideal gas))[/math]
- [math]Z = (V_(ideal gas) )/(V_(real gas))[/math]
- [math]Z = V_(real gas) xx V_(ideal gas)[/math]
- [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?
- [math]P={nRT}/{V-nb}[/math]
- [math]P={nRT}/{V-R}[/math]
- [math]P={nRT}/{V}[/math]
- [math]P={nRT}/{V-1}[/math]
8.
Which of the following correctly describes Avogadro's Law?
- Pressure is inversely proportional to volume
- Pressure is directly proportional to temperature
- Volume is directly proportional to temperature
- 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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