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3 years ago

By using kekule's structure,explain the hybrid resonance of benzene

Chemistry

1 answer:

OLEGan [10]3 years ago

5 0

<h2><u>Answer:</u></h2>

So as to picture this, we should think about the situation of electrons in the obligations of benzene. This sort of structure is known as a reverberation mixture of the benzene particle. Actually, neither structure truly exists. Delocalisation must be clarified utilizing a larger amount of hypothesis than single and twofold bonds.

Reverberation of Benzene. The swaying twofold bonds in the benzene ring are clarified with the assistance of reverberation structures according to valence bond hypothesis. All the carbon iotas in the benzene ring are sp2 hybridized.

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What is the expected value for the heat of sublimation of acetic acid if its heat of fusion is 10.8 kJ/mol and its heat of vapor

Dennis_Churaev [7]

Answer:

35.1 kJ/mol is the expected value for the heat of sublimation of acetic acid.

Explanation:

$CH_3COOH(l)\rightarrow CH_3COOH(g)$ ..[1]

Heat of vaporization of acetic acid = $H^o_{vap}=24.3 kJ/mol$

$CH_3COOH(s)\rightarrow CH_3COOH(l)$ ..[2]

Heat of fusion of acetic acid = $H^o_{fus}=10.8 kJ/mol$

Heat of sublimation of acetic acid = $H^o_{sub}=?$

$CH_3COOH(s)\rightarrow CH_3COOH(g)$ ..[3]

[1] + [2] = [3] (Hess's law)

$H^o_{sub}=H^o_{vap}+H^o_{fus}$

$=24.3 kJ/mol+10.8 kJ/mol=35.1 kJ/mol$

35.1 kJ/mol is the expected value for the heat of sublimation of acetic acid.

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3 years ago

The number of covalent bonds that an atom can make is determined by

diamong [38]

The number of covalent bonds that an atom can make is determined by the no. of electrons needed to form a duplet or octet of electron by each of the atom.

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4 years ago

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3 years ago

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Which scientist bombarded gold sheets with alpha particles to look at the atom?

Alekssandra [29.7K]

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3 years ago

Mg + 2H2O -----> Mg (OH)2 + H2<br><br><br> Write it in word problem

diamong [38]

The word problem format to the task given above is: When magnesium reacts with steam, it produces magnesium hydroxide and liberate hydrogen gas.

<h3>How magnesium hydroxide is formed?</h3>

It happens that magnesium is an alkali earth metal and react with water in the gaseous state to librate hydrogen gas, when this reaction occurs, it results in the formation of magnesium hydroxide.

The chemical equation between magnesium and water is given below:

Mg + 2H₂O -----> Mg (OH)₂ + H₂

So therefore, we can accurately deduced that magnesium hydroxide is produced when magnesium is disolved in water.