2.00 moles of N2 are held in a 10.0 liter container at 25.0 degrees Celsius. What is the pressure of the system?
  1. 3.32 atm
  2. 4.00 atm
  3. .763 atm
  4. 5.11 atm
  5. 4.89 atm
Explanation
Answer: 4.89 atm

This problem involves a standard application of the ideal gas law, PV = nRT. Solving for pressure gives P = nRT/V. When the specific variables are substituted, the expression becomes (2.00)(.0821)(298)/(10), and gives a final solution of 4.89 atm.
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