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Chemistry, 21.06.2019 22:40
How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?
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Which best describes how johannes kepler developed his laws of planetary motion
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Chemistry, 22.06.2019 04:40
Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)
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How much faster does helium (M = 4.003 g/mol) escape through an edifice than nitrogen gas (M - 28.01...
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