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Chemistry, 23.06.2019 10:30
How is it possible for someone to put an ear to a wall and hear someone in the next room? a.sound waves can travel though solids. b.the waves travel from room to room via air. c.there must be some air in the wall so the sound can travel through it. d.sound waves change to electromagnetic waves and then back again.
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An is a pure substance that can’t be broken down into simpler substances by chemical or physical means
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Chemistry, 23.06.2019 23:10
Design a synthesis of 1-cyano-2-methylbicyclo[2.2.1]-2,5-heptadiene from cyclopentene and any other compounds using a diels-alder cycloaddition reaction. part 1 out of 9 choose the best option for the dienophile precursor to the target molecule.
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Would your results be he same if 1.5 g of barium chloride was used instead of 1.3 g? same with 0.7...
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