'Angstrom' diaporamas de présentation

Why Study Chemistry?

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From Aristotle to Newton

From Aristotle to Newton. The history of the Solar System (and the universe to some extent) from ancient Greek times through to the beginnings of modern physics. Kepler (1571-1630). Used Tycho Brahe's precise data on apparent planet motions and relative distances.

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INDUSTRIAL MATERIALS

INDUSTRIAL MATERIALS. Instructed by: Dr. Sajid Zaidi PhD in Advanced Mechanics, UTC, France MS in Advanced Mechanics, UTC, France B.Sc. in Mechanical Engineering, UET, Lahore. Crystal Geometry. (a) Inert monoatomic gases have no regular ordering of atoms

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PLATON/CheckCIF Issues

Ton Spek Utrecht University The Netherlands Bruker User Meeting UCSD, La Jolla, March 22-24, 2012. PLATON/CheckCIF Issues. Structure validation is an ongoing project due to changes in procedures, software and hardware

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Scattering

Scattering. Types of Scattering in the Atmosphere. Rayleigh Mie Geometric. Rayleigh Scattering in Visible Spectrum. Blue sky Red Sunset Blue water (from underwater). Rayleigh Scattering. Wavelength of light is much larger than scattering particles

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Lecture 3. Orders of magnitude From planets to atoms

Lecture 3. Orders of magnitude From planets to atoms. Example of coordination number. SiO 2 CN Si = 4. Atomic and ionic radii In picometers (pm). How big is an atom? ~100 picometers (pm) or ~1 Angstrom. Lengthscales in nature span more than 27 orders of magnitude.

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20 B Week II Chapters 9 -10)

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X-Ray Diffraction and X-Ray Crystallography

X-Ray Diffraction and X-Ray Crystallography. Diffraction. Diffraction : the various phenomena that are associated with wave propagation (e.g., bending and interference of waves) when the wave passes by an object that disrupts the wave. Diffraction.

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Dimensional Analysis or the Factor Label Method

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Where we left off

Where we left off. Consider a typical small biological molecule Approximate time to achieve a certain displacement (x) is given by. To cross 1 micron, ~0.5 milliseconds To cross 1 cm, ~14 hours What about us? What about for oxygen to get from our lungs to a finger (~1 m)?

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Chemistry periodicity Atomic and Ionic Radius

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Pico-SAM9G45 Development Board for Envirobat

Pico-SAM9G45 Development Board for Envirobat. Presented by Kiran G K Date : 18/06/13. Pico-SAM9G45. Back view. Front view.

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Liquid Mineral Supplements

Cell Ready, Ionic liquid mineral supplements that can be absorbed by the body as they do not need to be brokendown any further. Please visit: http://www.healthshop101.com/

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The University of Wyoming GRB Afterglow Follow-Up Program

The University of Wyoming GRB Afterglow Follow-Up Program S. L. Savage 1,2 , M. Pierce 1 , R. Canterna 1 , A. S. Kutyrev 2 , J. P. Norris 2 1 University of Wyoming, 2 NASA GSFC. WIRO INSTRUMENTATION. Red Buttes Observatory. Abstract

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