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Interpretation:
The partial pressures of helium and neon are to be calculated with given volume, pressure, and temperature.
Concept Introduction:
The ideal gas equation elaborates the physical properties of gases by relating the pressure, volume, temperature, and number of moles with each other with the help of four
Here,
The expression to calculate mole fraction
Here,
The relation between partial pressure
The conversion of temperature from degree Celsius to Kelvin can be done by using the formula given below:
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Answer to Problem 106AP
Solution:
Explanation of Solution
Given information: For
Volume is
Pressure is
Temperature is
For
Volume is
Pressure is
Temperature is
After the stopcock is opened, both the gases mix togethercompletely.
First, find the number of moles of each gas with the help of theideal gas equation as
Temperature is in Celsius. Convert it into Kelvin as
For
Substitute
For
Substitute
Calculate the total number of moles as
Substitute
Now, rearrange theideal gas equation for
Substitute
The formula to calculate the mole fraction is
Now, calculate the mole fractions of each component.
For
Substitute
For
Substitute
The relation between partial pressure and total pressure is
For
Substitute
For
Substitute
The partial pressures of helium and neon are
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Chapter 10 Solutions
Chemistry
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