'Capillary action' presentation slideshows

Energy forms and Chemical Reactions

Energy forms and Chemical Reactions. What is energy?. Why study energy when dealing with chemistry? virtually every physical and chemical change involves some kind of energy change. What is energy?. 1. What is energy? the ability to do work 2. When is work done on an object?

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Chapter 8

Chapter 8. Flow and mechanical properties of polymers. Concepts, coefficients, definitions. Fluid shear: the shear stress on a fluid element is related to the viscosity gradient by

1.08k views • 74 slides

Smallpox Vaccine

Smallpox Vaccine. J. Michael Lane, MD, MPH January 2003. Smallpox Vaccine. Original material used by Jenner was probably cowpox Vaccine constituent changed from cowpox to vaccinia during the 19 th century. Vaccinia Virus. Origin of vaccinia virus unknown

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Gravel Roads: Theory and Engineering

Gravel Roads: Theory and Engineering. How Are Roads Built?. Evolution Stock trails Double tracks Gravel road Asphalt road Revolution New construction. Typical Gravel Road Section. Unimproved double track. Roadbed has been shaped but no imported gravel.

3.27k views • 43 slides

VII. Molecular Biology Techniques

VII. Molecular Biology Techniques. Fall 2005. Characteristics of Nucleic Acids. Two types of nucleic acids: RNA & DNA DNA is encoded with four interchangeable "building blocks", called "bases", Adenine, Thymine, Cytosine, and Guanine, with Uracil rarely replacing Thymine

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VII. Molecular Biology Techniques

VII. Molecular Biology Techniques. Fall 2005. Characteristics of Nucleic Acids. Two types of nucleic acids: RNA & DNA DNA is encoded with four interchangeable "building blocks", called "bases", Adenine, Thymine, Cytosine, and Guanine, with Uracil rarely replacing Thymine

1.12k views • 42 slides

Seawater Chemistry

Seawater Chemistry. The Water Molecule. Water is a compound and compounds are made up of two or more elements. An element is a substance of identical particles, called atoms . Atoms can not be broken into simpler substances by chemical means. The Water Molecule.

625 views • 42 slides

Restriction Enzyme Digestion & Southern Blotting of DNA

Restriction Enzyme Digestion & Southern Blotting of DNA. Experiment Goals. Digestion of DNA by restriction enzyme Analyze digested DNA by electrophoresis Transfer digested DNA to nitrocellulose filters (Southern blotting) Procedure of setting up a Southern blotting. Restriction Enzymes.

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Liquids and Solids

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Liquids and Solids

Liquids and Solids. Properties of Liquids and the Kinetic-Molecular Theory. Liquid- is a form of matter that has a definite volume and takes the shape of its container. The particles are in constant motion.

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Autotrophs

Autotrophs. Cyanobacteria. Distinguished from anoxygenic photosynthetic bacteria by presence of chlorophyll a (more evolutionarily advanced than bacteriochlorophyll of Purple and Green bacteria).

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Brazing & Braze Welding With Oxyacetylene

Brazing & Braze Welding With Oxyacetylene. Definition. A group of process that use heat to melt a metallic bonding agent, but not the base metal. The adhesion quality of the bonding agent binds the parts together when cooled. Three Common Processes. Soldering Brazing Braze welding.

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Experiment 3.7 Solvent and Polarity Effects in Thin-layer Chromatography

Experiment 3.7 Solvent and Polarity Effects in Thin-layer Chromatography. Purpose of Experiment. Determine factors that affect rate of elution (R f ) of organic compounds. Relationship between polarities of compounds and their rates of elution (R f )

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CHM 312 Fall 2008 CHROMATOGRAPHY

CHM 312 Fall 2008 CHROMATOGRAPHY. THIN LAYER CHROMATOGRAPHY (TLC). THIN LAYER CHROMATOGRAPHY. Thin layer chromatography (TLC) is an important technique for identification and separation of mixtures of organic compounds. It is useful in:

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Water + Organic Molecules

338 views • 20 slides

Change of Phase

Change of Phase. Evaporation Condensation Fogs and Clouds Boiling Melting and Freezing Energy and Change of Phase. Evaporation. Why do you feel chilly when getting out of a swimming pool?. Evaporation. Why do you feel chilly when getting out of a swimming pool?

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Chapter 3:

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Thin-Layer Chromatography

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Chapter 5

A world floating distinctly in space will call itself the only world. - Stephen Crane 1897. Chapter 5. Soil Water. a. b. Structure of water. Fig. 8.2. (a) Structure of water molecule and (b) hydrogen bonding between water molecules. Adhesion & cohesion.

320 views • 8 slides