Chemistry, 09.03.2021 09:50 jameslinimk
How does black and coloured objects absorb light and convert it into heat?
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Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z
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What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol
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Describe at least two advantages and two disadvantages of using hydropower as a source of energy.
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The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as
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How does black and coloured objects absorb light and convert it into heat?...
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