Chemistry, 28.10.2019 02:31, olivernolasco23
How much time would it take for 12000 atoms of nitrogen-13 (half-life is 7.13 s) to decay to 750 atoms?
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Answers: 2
Chemistry, 21.06.2019 18:00, Falconpride4079
Construct the hypothetical phase diagram for metals a and b between room temperature (20c) and 700c, given the following information: * the melting temperature of metal a is 480c. • the maximum solubility of b in a is 4 wt% b, which occurs at 420c. • the solubility of b in a at room temperature is 0 wt% b. • one eutectic occurs at 420c and 18 wt% b–82 wt% a. • a second eutectic occurs at 475c and 42 wt% b–58 wt% a. • the intermetallic compound ab exists at a composition of 30 wt% b–70 wt% a, and melts congruently at 525c.• the melting temperature of metal b is 600c. • the maximum solubility of a in b is 13 wt% a, which occurs at 475c. • the solubility of a in b at room temperature is 3 wt% a.
Answers: 1
Chemistry, 22.06.2019 00:30, tdowling331
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Chemistry, 22.06.2019 08:00, anglacx5465
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How much time would it take for 12000 atoms of nitrogen-13 (half-life is 7.13 s) to decay to 750 ato...
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