Tags Science and Chemistry

Tag: Science and Chemistry

The Valence Bond Theory

The VSEPR model is usually a satisfactory method for predicting molecular geometries.To understand bonding and electronic structure, however, you must look to quantum mechanics....

Effect of Polarity on Molecular Properties

Every chemist should understand the meaning of polarity. It is the measure of the electronegativity differences between two bonded atoms. Thus, polarity arises as...

NMR SPECTROSCOPY USER GROUP OF PAKISTAN (NMR-PAK)

NMR  Spectroscopy User Group of Pakistan (NMR-PAK) is an initiative of Hussain Ebrahim Jamal (HEJ) Research Institute of Chemistry a part of International Center for...

Basic Concepts in Chromatography As an Analytical tool in Chemistry

INTRODUCTION Chromatography is a powerful analytical tool because it can be used to separate complex mixtures. Why is this important? Because even sophisticated detection techniques are most definitive...

Preparation and Breaking Of Emulsion

An emulsion is a dispersed system containing two immiscible liquid, one of which is dispersed as small droplets in the order as the dispersion medium. An...

Hydrogen bond research adds to scientific community’s knowledge

Two Indiana State University undergraduates will present their research findings about how molecules interact at a national conference this spring. One might recall from science classes that particles...

New Species of Giant Tortoise Found in the Galápagos

Paging Charles Darwin: The island of Santa Cruz within the Galápagos has not one but two distinct species of giant tortoise, a new genetic study finds...

How Does The Earth Moves In Space?

Preamble The earth is the planet which we (humans) dwells.Without ambiguity, the earth has a radius of 6371km and has existed for approximately 4.54 billion years ago. The...

How to Determine The Concentration of a Solution

The concentration of a solution describes the amount of solute present in a given amount of a solution. The unit of concentration depends on the units...

International Fellowships By AAUW in USA for Women

(American Association of University Women)AAUW Masters/PhD/Postdoctoral Deadline: 1 Dec 2015 (annual)Study in: USANext course starts July 2016 Brief description: AAUW (formerly known as the American Association of University Women)...

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