The real gas problem is the deviation of real gases from ideal gas behavior at high pressures and low temperatures. This can be attributed to factors such as molecular size, intermolecular forces, and the volume occupied by the gas molecules.
The real gas problem causes real gases to deviate from the ideal gas law, which states that at a constant temperature and pressure, the volume of a gas is directly proportional to the number of moles of gas present. This deviation can lead to errors in calculations and predictions of gas behavior.
Some common real gas models include the van der Waals equation, the Redlich-Kwong equation, and the Peng-Robinson equation. These models take into account factors such as molecular size and intermolecular forces to better predict gas behavior at high pressures and low temperatures.
To solve real gas problems in homework, you can use the appropriate real gas model and plug in the given values for pressure, temperature, and volume. You may also need to consider any other relevant factors, such as the number of moles of gas present or the gas constant.
Understanding the real gas problem is important in many fields, such as chemical engineering, environmental science, and physics. It allows for more accurate predictions of gas behavior in real-world situations, such as in industrial processes or in the Earth's atmosphere.