distinguish between r and R universal gas constant and gas constant
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Gas molecules are capable of free motion throughout the space since they are very light molecules. Forces between gas molecules are weak Van Der Waal attraction forces. However, in order to explain the behavior of a gas, scientists have derived theories using a hypothetical gas known as Ideal gas. They have also derived a law regarding this ideal gas, which is known as the Ideal gas law.
First, we should know what an ideal gas means. It is a hypothetical gas which would show the following properties if it was a real gas. These are only assumptions.
An ideal gas is composed of a large number of small gas molecules.The volume of those gas molecules is negligible.There are no attractions between gas molecules.The motion of these gas molecules obeys the Newton’s law of motion.Collisions of molecules are completelyelastic.
By looking at these properties, it is understandable that none of the real gases are ideal.
First, we should know what an ideal gas means. It is a hypothetical gas which would show the following properties if it was a real gas. These are only assumptions.
An ideal gas is composed of a large number of small gas molecules.The volume of those gas molecules is negligible.There are no attractions between gas molecules.The motion of these gas molecules obeys the Newton’s law of motion.Collisions of molecules are completelyelastic.
By looking at these properties, it is understandable that none of the real gases are ideal.
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