Concept explainers
Interpretation:
The relative number of moles of the gas is to be calculated when pressure, temperature and volume of the gas are given at two different conditions.
Concept introduction:
Ideal gas equation helps to calculate relative number of moles of a gas at given temperature and pressure. According to this law,
Where
Answer to Problem 78A
The number of moles of gas will reduce to half of its initial value.
Explanation of Solution
Ideal gas equation helps to calculate volume of a gas at given temperature and pressure. According to this law,
Or
According to the statement:
Now substituting the values into formula,
Therefore the number of moles of gas will reduce to half of its initial value.
On doubling the temperature of the gas and keeping the temperature and pressure, the number of moles of gas would reduce to half of its initial value.
Chapter 13 Solutions
Chemistry: Matter and Change
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