The Partial Pressures of CH₄,N₂,and O₂ in a Sample of a Gas

question 77

Multiple Choice

The partial pressures of CH₄,N₂,and O₂ in a sample of a gas mixture were found to be 183 mmHg,493 mmHg,and 551 mmHg,respectively.Calculate the mole fraction of nitrogen.

• A) 0.725
• B) 0.359
• C) 19.7
• D) 0.449
• E) 0.402

---

Definitions:

Materially Altered

A change in a document or agreement that significantly affects its terms or conditions.

Holder In Due Course

A legal term for a person who has acquired a negotiable instrument in good faith and for value, and thus is protected against certain defenses and claims that could be raised against the original payee.

Payee

The party in a transaction who receives the payment.

Properly Delivered

Pertains to goods or documents being conveyed to the correct recipient in good condition and within the agreed timeframe.