Chemistry, 04.08.2019 09:30 jeftegerman988
The concentration of the alkane c20h42 (fm 282.55) in a particular sample of rainwater is 0.14 ppb. assume that the density of rainwater is close to 1.00 g/ml and find the molar concentration of c20h42.
Answers: 1
Chemistry, 22.06.2019 19:40, jholland03
What type of electromagnetic waves does the human eye see as the colors red blue or green a visible light waves b radio waves c infrared waves d microwaves
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Chemistry, 23.06.2019 09:30, oscarruiz
The allotropes of carbon include a variety of structures that include three-dimensional tetrahedral lattices, planes of hexagonal rings, cylindrical tubes of hexagonal rings, and spheres of five- and six-membered rings. similar shapes of network covalent atomic solids are possible with carbon nitride, boron, and pure silicon (e. g., silicene is a graphene-like allotrope of pure silicon). in contrast, silicates exist as either highly ordered or amorphous (more random) three-dimensional lattices. what could explain why there are there no naturally occurring sheets, stacked sheets, cylindrical tubes, or spheres of network covalent atomic solids composed of silicon and oxygen (sio2)? would pure silicate structures make good lubricants or good electrical conductors?
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The concentration of the alkane c20h42 (fm 282.55) in a particular sample of rainwater is 0.14 ppb....
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