Lecture 9 Chapter 5 (Gases)

# Lecture 9 Chapter 5 (Gases) - Reminder Exam on Wednesday...

This preview shows pages 1–9. Sign up to view the full content.

Reminder: Exam on Wednesday September 30 th 1.Bring a number 2 pencil to the exam. 2.No Graphing Calculators will be allowed – bring a scientific calculator. 3.Please go to the correct room to take your exam: 1110-03 DCC 318 1100-06 DCC 308 1100-10 Sage 3303 Extra Time Students Walker 3221

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

View Full Document
The Exam on Wednesday September 30 will cover material from Chapters 3 and 4 (and 17.1 – 17.5, 18.1 – 18.3, 19.2, and 21.1) This material is covered in lectures 1- 7. The material from Chapter 5 that we cover in class prior to the exam WILL NOT BE ON THE FIRST EXAM!
Chapter 5 – Gases continued Lecture 9 September 29 2009

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

View Full Document
Dalton’s Law of Partial Pressures Example: A mixture of noble gases is placed in a container at STP. The container contains 4.80g of He, 12.0g of Ar, and 32.5g of Kr. What is the partial pressure of each gas if P tot = 1 atm?
The partial pressures of a gaseous mixture are given below. What is the mole fraction of neon? Partial Pressures hydrogen 125 mmHg carbon dioxide 320 mmHg methane 210 mmHg neon 150 mmHg (A)0.186 (A)0.150 (A)0.229 (D)0.250 (E) 0.810

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

View Full Document
Vapor Pressure: Collecting a gas over water
Example to try: A small piece of zinc reacts with dilute HCl to form H 2 gas which is collected over water at 16 o C. The total pressure is adjusted to barometric pressure (752 torr) (Remember that a torr is equal to a mmHg.) What is the partial pressure of H 2 ?

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

View Full Document
Example to try: A small piece of zinc reacts with dilute HCl to form H 2 gas which is collected over water at 16 o C. The total pressure is adjusted to barometric pressure (752 torr)
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 04/04/2011 for the course CHEM 1100 taught by Professor Mcintosh during the Fall '08 term at Rensselaer Polytechnic Institute.

### Page1 / 34

Lecture 9 Chapter 5 (Gases) - Reminder Exam on Wednesday...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online