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Chemistry, 01.04.2020 02:30 kellyzeissss1286
Using a 2cm thick piece of cardboard over a radiation source would be most effective for protecting against which type of radiation?
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Chemistry, 21.06.2019 18:00
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. โข the maximum solubility of b in a is 4 wt% b, which occurs at 420c. โข the solubility of b in a at room temperature is 0 wt% b. โข one eutectic occurs at 420c and 18 wt% bโ82 wt% a. โข a second eutectic occurs at 475c and 42 wt% bโ58 wt% a. โข the intermetallic compound ab exists at a composition of 30 wt% bโ70 wt% a, and melts congruently at 525c.โข the melting temperature of metal b is 600c. โข the maximum solubility of a in b is 13 wt% a, which occurs at 475c. โข the solubility of a in b at room temperature is 3 wt% a.
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