Lecture 9.23.09

Lecture 9.23.09 - Wednesday, September 23 Flask A contains...

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

View Full Document Right Arrow Icon
Wednesday, September 23 CHEM 1251, Fall 2009 1 1 Flask A contains 2.0 g of hydrogen. Flask B contains 2.0 g of nitrogen. Both flasks have the same Volume and Temperature. Compare the two flasks: A. They have the same density. B. They have the same average kinetic energy. C. They have the same pressure. D. Both a. and b. E. All of a. , b., and c. Problem-solving / thinking tip: Draw a little sketch of the two containers to help you think about the question. CQ 1 2 The same amount of a “heavy” gas and a “light” gas are placed into a container. The container springs a leak, and some gas escapes. Once you repair the leak, what will be true of the gases left in the container? A. There will be more “heavy” molecules than “light” molecules in the container. B. There will be more “light” molecules than “heavy” molecules in the container. C. There will still be equal numbers of “heavy” and “light” molecules. CQ 2
Background image of page 1

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

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

This note was uploaded on 12/10/2009 for the course CHEM 1111 at Colorado.

Page1 / 2

Lecture 9.23.09 - Wednesday, September 23 Flask A contains...

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