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Natalija [7]
2 years ago
15

How many hydrogen bonds can CH3NH2 make to water?

Chemistry
1 answer:
ikadub [295]2 years ago
4 0

CH3NH2 can only have as many hydrogen bonds as hydrogen bonding sites in the molecule. CH3NH2 has two N−H bonds and a lone pair of electrons on the nitrogen atom. Therefore, CH3NH2 can form three hydrogen bonds with water.

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Using the Polymers: A Property Database provide the following
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Polyethene is a polymer composed of repeating units of the monomer ethene.

The properties of polyethene are as follows:

  • density- ranges 0.857 g/cm3 to 0.975 g/cm3.
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<h3>What are polymers?</h3>

Polymers are large macromolecules consisting of long repeating chains of smaller molecules known as monomers.

An example of a polymer is polyethene composed of repeating units of the monomer ethene.

The density of polyethylene ranges 0.857 g/cm3 to 0.975 g/cm3.

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The melting temperature of polyethene is approximately 110 °C.

Learn more about polyethene at: brainly.com/question/165779

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2 years ago
What air moves horizontally or parallel to the ground?
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3 years ago
Write the overall, balanced molecular equation and indicate which element is oxidized and which is reduced for the following rea
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Explanation:

Mg(s) + Cr(C2H3O2)3 (aq)

Overall, balanced molecular equation

Mg(s) + Cr(C2H3O2)3(aq) --> Mg(C2H3O2)3(aq) + Cr(s)

To identify if an element has been reduced or oxidized, the oxidation number is observed in both the reactant and product phase.

An increase in oxidation number denotes that the element has been oxidized.

A decrease in oxidation number denotes that the element has been reduced.

Oxidation number of Mg:

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Oxidation number of Cr:

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Product - 0

Note: C2H3O2 is actually acetate ion; CH3COO- The oxidatioon number of C, H and O do not change.

Oxidized : Mg

Reduced : Cr

7 0
3 years ago
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