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A material resource is a renewable resource that is used to make objects.. true or false ?
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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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Chemistry, 22.06.2019 06:00
The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.
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Chemistry, 22.06.2019 08:30
Which metal exist in liquid state and can be cut with knife ?
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Chemistry, 22.06.2019 16:30
Correct relationship between molecular formula and empirical formula
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A material resource is a renewable resource that is used to make objects.. true or false ?...
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