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What is the specific heat, thermal conductivity, density of polyurethane foam?
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Describe at least two advantages and two disadvantages of using hydropower as a source of energy.
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In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus. b) the number of neutrons it contains in its nucleus. c) the number of protons it has in a cloud around the nucleus. d) the number of neutrons it has in a cloud around the nucleus. e) the number of electrons it exchanges with its neighbors.
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What is the chemical formula for a compound between li and br? libr li2br libr2 libr3
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What is the specific heat, thermal conductivity, density of polyurethane foam?...