Concept explainers
Interpretation:
The number of molecules of the gas is to be calculated when pressure, temperature and volume of the gas are given.
Concept introduction:
Ideal gas equation helps to calculate number of the moles of a gas at given temperature, volume and pressure. According to this law,
Where
Answer to Problem 68A
The number of molecules of the gas is
Explanation of Solution
Ideal gas equation helps to calculate number of moles of a gas at given temperature, volume and pressure. According to this law,
Or
Where
Now
To convert temperature into Kelvin ,
Now substituting the values into formula,
Further number of molecules is calculated by multiplying number of moles with Avogadro’s number.
Therefore number of molecules of the gas is
The number of molecules of the gas is
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