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Robert boyle wrote "sceptical chymist" what was his reason for writing this book? what was he trying to prove?
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Endeleev saw trends in the physical and chemical properties of elements when he organized them by
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An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse
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2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.
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Robert boyle wrote "sceptical chymist" what was his reason for writing this book? what was he tryin...
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