Chemistry, 07.10.2020 16:01 blessingjessica
A chain bracelet is found. It looks as though it might be made of either gold or of copper.
When the bracelet is submerged in a graduated cylinder containing water, the volume of
the water rises from 9.2 cm' to 11.7 cm'. The bracelet has a mass of 45 g. Is the bracelet
made of gold or copper? (Note: The density of gold is 19.3 g/cm' and the density of
copper is 8.92 g/cm')
Answers: 2
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Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules
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The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.
Answers: 2
A chain bracelet is found. It looks as though it might be made of either gold or of copper.
When th...
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