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III. Molecular Polarity (p. 183)

III. Molecular Polarity (p. 183)

Ch. 6 – Molecular Structure. III. Molecular Polarity (p. 183).  +.  -. H Cl. A. Dipole Moment. Direction of the polar bond in a molecule. Arrow points toward the more e - neg atom. B. Determining Molecular Polarity. Depends on : dipole moments molecular shape. F. BF 3. B. F. F.

By mike_john
(429 views)

Liquids and solids

Liquids and solids

Chapter 10. Liquids and solids. They are similar to each other. Different than gases. They are incompressible. Their density doesn’t change much with temperature. These similarities are due to the molecules staying close together in solids and liquids and far apart in gases

By Patman
(252 views)

Properties of Water

Properties of Water

Properties of Water. Hydrogen bonding. Surface tension. Ice, water, vapor. Hydrogen bonding (electric attraction). Ice. Liquid. Water-soluble protein. “Dissociation” of water. pH. [H+]= 10 -1 M. pH = – log [H+]. Log scale means 10X change per unit!. [H+]= 10 -9 M. Buffers.

By Samuel
(177 views)

Solutions

Solutions

Solutions. Solution. A solution is a homogeneous mixture in which one substance is dissolved in another substance. Components of a solution. Two parts of a solution: the substance being dissolved (solute) and the substance doing the dissolving (solvent). Aqueous solution.

By aadi
(229 views)

Wednesday Bellringer: 5/22/2019

Wednesday Bellringer: 5/22/2019

Wednesday Bellringer: 5/22/2019. Throw Back Questions!! What is a homogeneous solution? What are valence electrons? What does it mean to dissolve? STOTD Wed- Friday : Notes on Solutions, Acids, Bases Monday :No School, Memorial day Tuesday : Review & Lab Prep

By sitara
(347 views)

Intermolecular Forces of Attraction

Intermolecular Forces of Attraction

Intermolecular Forces of Attraction. Attractive forces that cause atoms or molecules to stick together. Mixtures. Elements or compounds blended together but not chemically combined. Mixtures. Can be solid, liquid, or gaseous mixtures Solid mixture examples:

By vaughn
(432 views)

Intermolecular Forces, Liquids and Solids

Intermolecular Forces, Liquids and Solids

Intermolecular Forces, Liquids and Solids. CHAPTER 11 CHEM 160. A Molecular Comparison of Liquids and Solids. Physical properties of substances understood in terms of kinetic molecular theory: Gases are highly compressible, assumes shape and volume of container:

By hiroko
(237 views)

Characteristics of Soft Matter

Characteristics of Soft Matter

In the previous lecture:. Characteristics of Soft Matter. (1) Length scales between atomic and macroscopic (sometimes called mesoscopic) (2) The importance of thermal fluctuations and Brownian motion

By clinton
(264 views)

Organic Compounds

Organic Compounds

Organic Compounds. Organic Compounds are large and have unique characteristics They carry out complex functions Four Examples Carbohydrates Lipids Proteins Nucleic acids. Properties/Characteristics. Organic compounds

By charleigh
(126 views)

KEY CONCEPT Water’s unique properties allow life to exist on Earth.

KEY CONCEPT Water’s unique properties allow life to exist on Earth.

KEY CONCEPT Water’s unique properties allow life to exist on Earth. _. O. H. H. +. +. Life depends on hydrogen bonds in water. Water is a polar covalent molecule. Polar molecules have slightly charged regions. Nonpolar molecules do not have charged regions.

By jesus
(145 views)

Membrane Structure and Function

Membrane Structure and Function

Membrane Structure and Function. Chapter 8. Plasma membrane of cell selectively permeable ( allows some substances to cross more easily than others) Made mostly of proteins and lipids (phospholipids). Phospholipids and proteins create unique physical environment (fluid mosaic model).

By asasia
(273 views)

OUR TECHNOLOGY NBCM as a Fire Extinguishing Medium

OUR TECHNOLOGY NBCM as a Fire Extinguishing Medium

She mical ®. Safety, Health & Environment Chemicals. OUR TECHNOLOGY NBCM as a Fire Extinguishing Medium. HOME. TECHNOLOGY. BACK. NEXT. She mical ®. Safety, Health & Environment Chemicals. FIVE CLASSES OF FIRE.

By armina
(173 views)

Chapter 7: Warm-Up 1

Chapter 7: Warm-Up 1

Chapter 7: Warm-Up 1. Is the plasma membrane symmetrical? Why or why not? What types of substances cross the membrane the fastest? Why? Explain the concept of water potential. (Hint: Refer to Lab 1). Chapter 7: Warm-Up 2. What are glycoproteins and glycolipids and what is their function?

By garth
(187 views)

Intermolecular forces and solubility

Intermolecular forces and solubility

Intermolecular forces and solubility. Intramolecular forces occur between atoms. Intermolecular forces occur between molecules. Why mixtures mix. Consider a glass of wine. Why do alcohol, water, & pigment mix together? There must be attractive forces.

By Samuel
(154 views)

Solubility and Henry’s Law

Solubility and Henry’s Law

Solubility and Henry’s Law. Chapter 12 continued. Solubility. There is usually a limit to the solubility of one substance in another gases are always soluble in each other two liquids that are mutually soluble are said to be miscible alcohol and water are miscible

By samson
(246 views)

The plasma membrane

The plasma membrane

The plasma membrane. Maintaining control of the internal environment. You will learn. The structure of the plasma membrane How the plasma membrane functions as a semi-permeable membrane. Vocabulary. Homeostasis Selectively Permeable Fatty acid tail Hydrophilic Hydrophobic

By aquene
(251 views)

Project on Intermolecular Forces

Project on Intermolecular Forces

Project on Intermolecular Forces. Members: Liu Wing Chiu (19) Siu Nga Chiu (24). Intermolecular Forces. The origin of intermolecular forces The classification of intermolecular forces Van der Waal’s force Hydrogen bonding

By issac
(696 views)

Cell Membranes: Osmosis and Diffusion

Cell Membranes: Osmosis and Diffusion

Cell Membranes: Osmosis and Diffusion. Membrane Functions . 1. Protect cell 2. Guard incoming and outgoing substances 3. Maintain ion concentrations of various substances Selectively permeable Allows some molecules in Others are kept out. Phospholipid Bilayer. Fluid Mosaic Model.

By molly
(680 views)

Biology Lab (1005L)

Biology Lab (1005L)

Biology Lab (1005L). Wolfson Campus. Laboratory Manual Author: Arnold Fleisch. Lab 1.- Atoms and Molecules. Objectives. 1.- Be able to define the following terms in writing: a) atom h) ionic bond b) ion i) element c) isotope j) acid

By iokina
(257 views)

Chemistry-140 Lecture 33

Chemistry-140 Lecture 33

Chemistry-140 Lecture 33. Chapter 13: Intermolecular Forces: Liquids & Solids. Chapter Highlights phases of matter & kinetic molecular theory intermolecular forces metallic & ionic solids molecular & network solids

By xanthus
(298 views)

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