Answers: 3
Chemistry, 21.06.2019 17:50
An aqueous solution of potassium hydroxide is standardized by titration with a 0.194 m solution of hydrobromic acid. if 25.2 ml of base are required to neutralize 24.2 ml of the acid, what is the molarity of the potassium hydroxide solution? m potassium hydroxide
Answers: 2
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 21:30
In one or two grammatically correct sentences, write a definition for the term molecule geometry
Answers: 3
(a) Name an instrument for measuring sound levels....
Biology, 08.01.2021 01:50
Mathematics, 08.01.2021 01:50
Biology, 08.01.2021 01:50
English, 08.01.2021 01:50
Mathematics, 08.01.2021 01:50
Chemistry, 08.01.2021 01:50
Mathematics, 08.01.2021 01:50
Mathematics, 08.01.2021 01:50
Mathematics, 08.01.2021 01:50
Social Studies, 08.01.2021 01:50