Interpretation: This is to be explained that at low pressure and high temperature, gases behave ideally.
Concept Introduction: - Non ideal behavior means that the observed relationship between its pressure volume and temperature are not accurately described by
Situations such as high pressure or low temperature the ideal gas law might give answers that are different from what we observe experimentally.
Answer to Problem 53A
At high pressure and low temperature gases behave non ideally. Real gas show non ideal behavior because their molecules show different characteristics.
Explanation of Solution
The gas which obeys ideal gas equation under all conditions of temperature and pressure is called ideal gas.
But, none of the commonly known gases respond to the ideal gas behavior under all conditions of temperature and pressure.
They tend to approach such behavior when the pressure is low or temperature is very high, they show ideal behavior.
But, when the conditions are reversed i.e., when the pressure is high or temperature is very low. The gases behave non-ideally.
If ideal gas behavior is not followed by a gas then the gas will be called as a real gas under all the temperature and pressure conditions.
Real gases do not behave ideally because of the following reasons −
1) Real gases are not perfect identical spheres.
2) Real gas collisions are not perfectly elastic.
3) They have intermolecular forces like London Forces acting on them.
When the pressure is high or temperature is very low gases behave non-ideally.
Real gases behave non-ideally because they are not perfect identical spheres, their collisions are non-elastic and they have intermolecular forces between them.
Chapter 13 Solutions
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