Lecture 6 - How does a C02 fire extinguisher work A B C D It contains solid CO2 It contains liquid CO2 It contains vapor CO2 It contains

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
How does a C0 2 fire extinguisher work? 1 A. It contains solid CO 2 B. It contains liquid CO 2 C. It contains vapor CO 2 D. It contains supercritical CO 2 2 6 6 6 ± 6 6 ± - ² ³ ... What Chapt 14 will explain to us: ± Why do we put salt on our icy side walks ± Why do we add salt to the water we will use to cook our pasta? Why do we put ant -freeze in our 2 ± Why do we put anti freeze in our car? In our windshield washer fluid? 2 6 6 6 ± 6 6 ± - ² ³ ...
Background image of page 1

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

View Full DocumentRight Arrow Icon
Some Definitions 3 A solution is a HOMOGENEOUS mixture of 2 or more substances in a single phase. One constituent is usually regarded as the SOLVENT and the others as SOLUTES. 2 6 6 6 ± 6 6 ± - ² ³ ... Concentration Units Molarity, M Molality, m 4 2 6 6 6 ± 6 6 ± - ² ³ ...
Background image of page 2
What is the relationship between molarity and molality? A. Molarity is always equal to the molality. B. Molarity is always greater than molality. C. Molarity is measures the concentration but molality measures the weight of a solution.
Background image of page 3

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

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/15/2008 for the course CHEM 112 taught by Professor Hardy during the Spring '08 term at UMass (Amherst).

Page1 / 10

Lecture 6 - How does a C02 fire extinguisher work A B C D It contains solid CO2 It contains liquid CO2 It contains vapor CO2 It contains

This preview shows document pages 1 - 4. Sign up to view the full document.

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