Physical Chemistry
Latest Contributing Articles
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Nuclear Binding Energy
The nucleus of an atom contains protons that are positively charged. Energy is needed to prevent them repelling each other and making the nucleus unstable.
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Entropy and Free Energy Made Simple
Thermodynamics describes how heat energy moves around and can prove a difficult subject to study. Good models for entropy and free energy aid understanding of this topic.
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Blue Skies, White Clouds, Red Sunsets
Salty water is a clear solution. Muddy water is opaque, because its coarser particles are a thousand times bigger than those of salt.
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Atomic Orbitals
Electrons in atoms are arranged in electronic energy levels, subshells and orbitals.
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Rates of Chemical Reactions
An overview of the important discipline of kinetics - the study of how fast chemical reactions go, what conditions affect these rates and why.
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What is Physical Chemistry?
Burning fuels, refrigeration, radioactivity, enzymes and cookery all depend on processes and theories in a less glamorous branch of science.
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