Which radioisotope is used to determine the age of
once-living organisms?
A) iodine-131 B) ca...
Chemistry, 19.01.2021 22:10 HAMILTRASHANDIKNOWIT
Which radioisotope is used to determine the age of
once-living organisms?
A) iodine-131 B) carbon-14
C) cobalt-60 D) uranium-238
Answers: 3
Chemistry, 21.06.2019 17:30
What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?
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 12:30
If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.
Answers: 3
Chemistry, 22.06.2019 22:30
Write and balance the chemical equation that represents the reaction of aqueous sulfuric acid with aqueous sodium hydroxide to form water and sodium sulfate. include phases.
Answers: 1
Mathematics, 11.02.2021 14:00
Biology, 11.02.2021 14:00
Physics, 11.02.2021 14:00
Mathematics, 11.02.2021 14:00
Mathematics, 11.02.2021 14:00
History, 11.02.2021 14:00
Social Studies, 11.02.2021 14:00
Business, 11.02.2021 14:00
Mathematics, 11.02.2021 14:00
History, 11.02.2021 14:00
Chemistry, 11.02.2021 14:00
Mathematics, 11.02.2021 14:00
History, 11.02.2021 14:00
Mathematics, 11.02.2021 14:00