Chemistry, 29.03.2020 05:28 paolacorazza
The specific heat of solid zinc is 0.39 J/goC, the melting point of zinc is 420oC, its molar heat of fusion is 7.3 kJ/mol, and the specific heat of liquid zinc is 0.51 J/goC. How much energy is required to convert 19.2 g of zinc at 20oC to liquid zinc at 535oC? Answer in kJ.
Answers: 2
Chemistry, 22.06.2019 09:20
Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?
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Chemistry, 22.06.2019 13:00
16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.
Answers: 2
Chemistry, 22.06.2019 15:20
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.
Answers: 1
The specific heat of solid zinc is 0.39 J/goC, the melting point of zinc is 420oC, its molar heat of...
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