What is chromatography?
a. chromatography is the process of separating solutions by using a...
Chemistry, 13.10.2019 03:30 Wolfgirl2032
What is chromatography?
a. chromatography is the process of separating solutions by using a filter
b. chromatography is the process of separating solutions by using a selectively permeable membrane
c. chromatography is the process of separating solutions on the basis of their boiling points
d. chromatography is the process of separating solutions on the basis of their affinity to other materials
Answers: 1
Chemistry, 21.06.2019 22:20
Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
Answers: 2
Chemistry, 21.06.2019 22:30
The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.
Answers: 2
Chemistry, 22.06.2019 16:50
Answer asap need by wednesday morning calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 best answer will be brainliest
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Chemistry, 22.06.2019 17:30
What type of organic molecule comprises the majority of a potato?
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