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Answer: 0.245 moles of oxygen must be placed in the container to exert the given pressure at the given temperature. The Ideal Gas Law equation gives the relationship among the pressure, volume, temperature, and moles of gas.
Further Explanation:
The Ideal Gas Equation is:
where:
P - pressure (in atm)
V - volume (in L)
n - amount of gas (in moles)
R - universal gas constant
T - temperature (in K)
In the problem, we are given the values:
P = 2.00 atm (3 significant figures)
V = 3.00 L (3 significant figures)
n = ?
T = 25.0 degrees Celsius (3 significant figures)
We need to convert the temperature to Kelvin before we can use the Ideal Gas Equation. The formula to convert from degree Celsius to Kelvin is:
Therefore, for this problem,
Solving for n using the Ideal Gas Equation:
The least number of significant figures is 3, therefore, the final answer must have only 3 significant figures.
Learn More
1. Learn more about Boyle's Law brainly.com/question/1437490
2. Learn more about Charles' Law brainly.com/question/1421697
3. Learn more about Gay-Lussac's Law brainly.com/question/6534668
Keywords: Ideal Gas Law, Volume, Pressure