Chemistry, 31.07.2019 22:40, payshencec21
According to legend, archimedes, who was a famous greek mathematician, was given a crown, which was supposed to be made of pure gold but contained some silver alloy, by king hiero ii of sicily. he was asked by the king to prove or disprove his suspicion. (the crown indeed did contain silver). if you were archimedes, how would have determined experimentally whether or not the crown was pure gold?
Answers: 1
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An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o
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According to legend, archimedes, who was a famous greek mathematician, was given a crown, which was...
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