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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, 21.06.2019 18:00
When the following equation is balanced using the smallest possible integers, what is the coefficent of oxygen gas? c7h16o(g) + o2(g) â co2(g) + h2o(g) -1 -5 -8 -16 -21
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Chemistry, 21.06.2019 23:30
Whatâs the scientific notation for the number 6,840,000,000
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Chemistry, 22.06.2019 00:30
Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.
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