Rank the following compounds by solubility in water, from most soluble to least. 1 ) CH3CH2OH 2 ) CH3OCH3 3 ) CH3CH2NH2
A) 1, 3, 2
B) 1, 2, 3
C) 3, 2, 1
D) 3, 1, 2
E) 2, 1, 3
A
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Bree dips a pair of prongs onto a water surface to produce waves. When she dips less frequently the resulting waves
A. have longer wavelengths. B. move slower. C. have shorter wavelengths. D. remain the same in wavelength.
Some biologists have identified symbiotic relationships in which it appears that one organism gains from the relationship while the other organism is unaffected
Although after further research, the researchers find out that both members of the relationship benefit. The researchers therefore realize that A) what they at first thought was an example of mutualism is really an example of commensalism. B) what they at first thought was an example of commensalism is really an example of mutualism. C) what they at first thought was an example of symbiosis is really an example of parasitism. D) what they at first thought was an example of symbiosis is really an example of amensalism.
When a certain clear red-brown liquid is distilled we recover a clear liquid and a red-brown solid? What can be said about the red-brown liquid?
A) It is an element. B) It is a compound. C) It is a solution. D) We cannot determine if it is an element, a compound or a solution.
Saguaro cactus, organ pipe cactus, and elf owl are all examples of species ________ to MexAmerica
Fill in the blank(s) with correct word