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SAT Chemistry

Category - Multiple Choice

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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?

3.32 atm
4.00 atm
.763 atm
5.11 atm
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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