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Nuclear Fission:
Splitting the Atom You know that atoms are made up of a nucleus and electrons moving around the nucleus, and the nucleus is made up of protons and neutrons. The principal actor in the fission drama is the uranium atom. The nucleus of the Uranium 238 atom has 92 protons and 146 neutrons. About one atom in 140 atoms of uranium has 143 neutrons in its nucleus. lt is called Uranium 235. It is the Uranium 235 that is mostly used to provide fuel for nuclear furneces. Before the Second World War, two German scientists discovered that if neutrons were shot at the nuclei of Uranium 235, the nuclei split into two and produced other neutrons to repeat the process. This is called nuclear fission.
Explain Factors Regulating Blood Pressure Blood pressure regulating mechanisms may be classified into two categories: a) Short term regulating mechanisms, which regulate an
Q.What is the greenhouse effect? Some gases like carbon dioxide, methane, nitrous oxide prevent the escape of heat from the Earth's surface by trapping it. This increases the av
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What are the chemical properties of acetic acid?
A simple equal-arm lever Make a wooden base 15 cm square and 2 cm thick. In the centre of the base fasten one more block of wood 4 cm square and 3 cm thick. Fasten to two sides
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#calculate the deltaG'' of the following reaction at 25 degree celsius if the kEq for the reaction is 6.8, Glutamate+oxaloacetate=aspartate+alpha-ketoglutarate
Ultraviolet Radiations : The ultraviolet (UV) light has higher energy than visible light. Hydrogen lamps, deuterium lamps and other sources of ultra-violet are used for a variety
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