Home work 3 - CO 2 is produced at 23.0C and 0.985 atm? 4. A...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chem 1411 Home Work 3. ( 10 points each ) 1. Assuming that Air contains 78% N 2 , 21% O 2 , and 1% Ar, all by volume, how many molecules of each type of gas are present in 1.0 L of air at STP 2. A certain anesthetic contains 64.9% carbon, 13.5% hydrogen, and 21.6% oxygen. At 120°C and 750 mmHg, 1.00 L of gas compound weighs 2.30g. What is the molecular formula of the compound? 3. Methane, the principal component of natural gas is used for heating and cooking. The combustion process is CH 4 (g) + 2 O 2 (g) CO 2 (g) + 2H 2 O (l) If 15.0 moles of CH 4 are reacted with 325 moles of oxygen, what volume (in lit) of
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: CO 2 is produced at 23.0C and 0.985 atm? 4. A sample of NH 3 gas is completely decomposed to nitrogen and hydrogen gases over heated iron wool. If the total pressure is 866 mmHg, calculate the partial pressure of N 2 and H 2 5. A gas evolved from the fermentation of glucose is found to effuse through a porous barrier in 15.0min. Under the same conditions of temperature and pressure, it takes an equal volume of N 2 12.0 min to effuse through the chamber. Calculate the molar mass of the gas and suggest what the gas might be?...
View Full Document

This note was uploaded on 05/05/2010 for the course CHEM 22726 taught by Professor Shaikh during the Spring '10 term at Houghton College.

Page1 / 2

Home work 3 - CO 2 is produced at 23.0C and 0.985 atm? 4. A...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online