Chemical bondingA pair of electrons, shared by two positively charged nuclei and attracted by both nuclei at …
Chemical kinetics and equilibrium system(A) Rates of chemical reactionsThe rate of a chemical reaction is the number …
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Physics: Electromagnetic Fields
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Electromagnetic fields(A) Concept of electromagnetic fieldField around a current carrying conductorSource: www.intl.siyavula.com The force is given …
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Chemistry: Chemistry, Industry And The Environment
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Chemistry, industry and the environmentA chemical industry is one that uses chemistry to make chemicals from other …
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Physics: Dams And Energy Production
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Dams and energy productionWhat is a dam?A dam is a man made structure built across a river. …