Chemistry, 11.12.2019 23:31, floresjacqueline
`a chemical known as pyrite is sometimes called fool's gold because of it's shiny color. however, it has no gold atoms in it at all! in fact, it's just iron and sulfur atoms at a molar ratio of 1 mole of iron to 2 moles of sulfur. so, using this to determine its chemical formula, what, then, is the %fe (by mass) in fool's gold?
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Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
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`a chemical known as pyrite is sometimes called fool's gold because of it's shiny color. however, it...
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