Interpretation: The pressure in the container containing 4.50 g of methane gas of volume 2.0 L at
Concept Introduction: The relation between pressure, volume, number of moles, and temperature is as follows:
Here, P is pressure, V is volume, n is the number of moles, R is the Universal gas constant and T is temperature.
Explanation of Solution
To calculate the pressure, the number of moles of methane gas needs to be calculated first. Molar mass of methane gas is 16.04 g/mol. Number of moles is calculated as follows:
Here, m is mass and M is molar mass.
Substitute the values,
Now, the pressure of the gas is calculated as follows:
Here, the temperature must be in K thus,
Substitute the values,
Therefore, the pressure of methane gas is 3.54 atm.
Chapter 14 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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