Answers: 1
Chemistry, 21.06.2019 13:20
An aqueous solution of calcium hydroxide is standardized by titration with a 0.120 m solution of hydrobromic acid. if 16.5 ml of base are required to neutralize 27.5 ml of the acid, what is the molarity of the calcium hydroxide solution?
Answers: 3
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. β’ the maximum solubility of b in a is 4 wt% b, which occurs at 420c. β’ the solubility of b in a at room temperature is 0 wt% b. β’ one eutectic occurs at 420c and 18 wt% bβ82 wt% a. β’ a second eutectic occurs at 475c and 42 wt% bβ58 wt% a. β’ the intermetallic compound ab exists at a composition of 30 wt% bβ70 wt% a, and melts congruently at 525c.β’ the melting temperature of metal b is 600c. β’ the maximum solubility of a in b is 13 wt% a, which occurs at 475c. β’ the solubility of a in b at room temperature is 3 wt% a.
Answers: 1
Chemistry, 22.06.2019 17:30
The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?
Answers: 2
The atomic mass of hydrogen is one. true or false...
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