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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. ⢠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% bâ82 wt% a. ⢠a second eutectic occurs at 475c and 42 wt% bâ58 wt% a. ⢠the intermetallic compound ab exists at a composition of 30 wt% bâ70 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.
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Chemistry, 22.06.2019 12:00
Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~
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Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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