{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Lecture Outline 9_1

Lecture Outline 9_1 - Solvent The dissolving agent of a...

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

View Full Document Right Arrow Icon
3. Water, Solutions, pH, and Buffers Reading assignment: Chapter 3, pages 46-–57. Water "Water" Hydrogen bonding between water molecules Cohesion, adhesion, surface tension Solutions; solvent, solute pH: definition Buffers GLOSSARY Adhesion: Clinging of one substance to another substance; e.g. water clings to the sides of a soda straw. Cohesion: The binding together of like molecules, often by hydrogen bonds. Surface tension: A measure of how difficult it is to stretch or break the surface of a liquid. Water has a high surface tension because of the hydrogen bonding of surface molecules. Solution: A homogeneous, liquid mixture of two or more substances.
Image of page 1

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

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

Unformatted text preview: Solvent: The dissolving agent of a solution. Water is the most versatile solvent known. Solute: A substance that is dissolved in a solution. Hydrophilic: Having an affinity for water. Hydrophobic: Having an aversion to water; tending to coalesce and form droplets in water. Concentration: Amount of solute per volume of solution. pH: A measure of hydrogen ion concentration equal to neg. log of the H + concentration and ranging in value from 0 to 14. Buffer: A substance that consists of acid and base forms in solution and that minimizes changes in pH when extraneous acids or bases are added to the solution....
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern