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HESI A2 Exam Prep 2026

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About Gases & Gas Laws (Boyle’s, Charles’, Ideal Gas Law)

Using Boyle’s Law, calculate the new pressure when O₂ gas at 4.00 atm in 10.0 L is transferred to 20.0 L at constant temperature.

Related Topics

Atomic StructurePeriodic Table & Periodic TrendsChemical Bonds (Ionic, Covalent, Metallic)Chemical Reactions & Balancing EquationsStoichiometry & Mole Concept
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Gases & Gas Laws (Boyle’s, Charles’, Ideal Gas Law) HESI A2 Practice Questions

Free Gases & Gas Laws (Boyle’s, Charles’, Ideal Gas Law) practice questions for the HESI A2 exam with detailed rationales.

Question 2 of 2

A patient in respiratory distress is placed on oxygen. A sealed cylinder contains O₂ gas at 4.00 atm in a 10.0 L container. If the gas is transferred to a 20.0 L container at the same temperature, what is the new pressure?

B. 8.00 atm
C. 4.00 atm
D. 1.00 atm
A. 2.00 atm

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