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Ivan
3 years ago
6

Which of the following elements can form a covalent (molecular) bond with nitrogen?

Chemistry
2 answers:
Marat540 [252]3 years ago
5 0

Answer:

oxygen

Explanation:

because it is and thats why it is

Vitek1552 [10]3 years ago
5 0
Oxygen is the answer

Ex. NO2
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Answer:

d. forced migration

Explanation:

Certain hazardous occurrences affect living organisms in their natural habitat. One of those occurrences is forest fire. Forest fire or vegetation fire is an uncontrollable break out of fire in a vegetation, affecting the inhabitants of the area.

The occurrence of a forest fire will lead to a forced migration of organisms from their natural habitat. Animals and other mobile organisms will be forced to leave behind their devastating habitat and migrate to a less threatened area in order to survive.

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3 years ago
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Intermolecular forces allow which of the following substances to be the least fluid?
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Out of the options, glass is the least fluid. The proof of this also lies in the fact that glass is the most difficult to melt out of all of the mentioned substances, and melting point gives us a rough estimate of the strength of intermolecular forces.
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What carboxylic acid would be formed if the malonic ester synthesis (alkylation of diethyl malonate followed by hydrolysis with
uranmaximum [27]

Answer:

cyclohexilic acid

Explanation:

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In the first step, the base substract the more acidic hydrogen of the ester. In the next step we have the ester reacting with the dibromopentane. Then, in the next step, the excess of base will substract again the acidic hydrogen remaining of the carbon, and then, will promove a Sn2 reaction with the bromine in the pentane (That it was previously attached to the molecule). In this step, a ring id formed. Then, the hydrolisis with acid, will form carboxilic acid in both sides of the molecule, and finally the decarboxilation in heat will separate the molecule and formed the cyclohexilic acid.

The picture below shows the mechanism

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4 years ago
What do we call a substance consisting of a single atom?
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Answer:

The answer of this question is element

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