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3 years ago

The chemical reaction in which two molecules combine to form a larger molecule, and water is released is called

Chemistry

2 answers:

Semmy [17]3 years ago

7 0

Answer: condenstation.

Justification:

The polymerization by condensation is a well know chemical reaction in which two monomers ("small" molecules), each with (at least) two functional groups, combine and relase water as by-product. Actually, even if the by-product released is not water, yet the reaction is called condenstation, since the mechanism is basically the same.

An example of such reaction is the manufacturing of nylon 6,6, which is produced from adipic acid and 1,6-diamine hexane:

HOOC - [CH₂]₄ - COOH + nH₂N - [CH₂]₆ - NH₂ → - nylon - + nH₂O

I omitted the formula of nylon because it is large, and that is not the core of the question but the fact the kind of reaction: two molecules combine to form is a larger molecule, and water is released

vlabodo [156]3 years ago

4 0

This reaction is called a neutralization reaction

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For each of the following sets of elements, circle the element expected to be most electronegative and draw a box which is expec

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Answer: The element expected to be most electronegative is Ca.

The element expected to be least electronegative is K.

Explanation:

Electronegativity is defined as the property of an element to attract a shared pair of electron towards itself.

Down the group:

The size of an atom increases as we move down the group because a new shell is added and electron gets added up.

As, the size of an element increases, the valence electrons gets away from the nucleus. So, the attraction between the nucleus and the shared pair of electrons decreases

Hence, electronegativity decreases moving from top to bottom down a group

Across a period:

The size of an atom decreases as we move across the period because the electrons get added to the same shell and the nuclear charge keeps on increasing. Thus the electrons get more tightly held by the nucleus.

As, the size of an element decreases, the valence electrons come near to the nucleus. So, the attraction between the nucleus and the shared pair of electrons increases.

Hence, electronegativity increases moving across left to right in a period.

Thus as K, Sc and Ca are arranged across a period, the electronegativity order is K< Sc < Ca.

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3 years ago

Could a prokaryote have tissue , organs , and organ system ?

CaHeK987 [17]

Prokaryotes are usually unicellular - and so would not have tissue, organs or organ systems.Some prokaryotes are multicellular, and you could potentially say that they are a tissue (many similar cells working together to perform a task). However, no prokaryotes have organs or organ systems.

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4 years ago

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Answer: 8, which is basic

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3 years ago

What is the correct name for the ionic compound Ca2P5

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Answer:

It is calcium phosphide.

Explanation:

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It is use as rodenticide to kill rats.

It is also use in fire works.

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In one sentence, describe the general chemical structure of carbohydrates. In a second sentence, list the major biochemical func

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Answer:

A carbohydrate is a compound composed of molecules of carbon (C), hydrogen (H), and oxygen (O) such that its general chemical formula is $CH_2OH$ .

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Explanation:

A carbohydrate is a compound composed of molecules of carbon (C), hydrogen (H), and oxygen (O) such that its general chemical formula is $CH_2OH$ .

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3. Carbohydrates build macromolecules

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