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3 years ago

Brainliest

Chemistry

2 answers:

Morgarella [4.7K]3 years ago

5 0

Plastic is the conductor. Is the anwser plz give brainliest!:)

erik [133]3 years ago

3 0

Answer:

Plastic is an insulator

Explanation:

This enables you to touch it without burning yourself because it does not conduct heat easily.

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What typically occurs in a substance where hydrogen bonding exists when compared to the same substance without H-bonds?

djverab [1.8K]

Answer:

B) Increase in boiling point and decrease in vapor pressure

Explanation:

Vapor pressure is inversely related to the Boiling point , as

higher the boiling point, lower the vapor pressure. and

Lower the boiling point, higher the vapor pressure.

Hydrogen bonding.

The electrostatic attraction between Hydrogen , bonded to electronegative atom like F, O, N and the more electronegative atom is called as Hydrogen bonding.

For example -

In alcohols, - OH group has Hydrogen that is bonded to more electronegative atom O.

As ,

Extra energy is required to break Hydrogen bonds.

because the substance which exhibits Hydrogen bonding have lower vapor pressure than that of the substance with out Hydrogen bonding.

Hence , the substance with Hydrogen bonding , has higher boiling point,.

Hence , the correct option is Increase in boiling point and decrease in vapor pressure .

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3 years ago

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Oxana [17]

Lunch period is the best period

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3 years ago

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The molar heat capacity of a compound with the formula C2H6SO is 88.0 J/mol-K. The specific heat of this substance is __________

lisabon 2012 [21]

Answer : The specific heat of this substance is, 1.13 J/g.K

Explanation :

Molar heat capacity : It is defined as the amount of heat absorbed by one mole of a substance to raise its temperature by one degree Celsius.

As we are given that the chemical formula of compound is, $C_2H_6SO$

First we have to calculate the molar mass of given compound.

Molar mass of $C_2H_6SO$ = $2(12g/mol)+6(1g/mol)+32g/mol+16g/mol$

Molar mass of $C_2H_6SO$ = 78 g/mol

Now we have to calculate the specific heat of this substance.

Specific heat of this substance = $\frac{\text{Molar heat capacity of a compound}}{\text{Molar mass of }C_2H_6SO}$

Specific heat of this substance = $\frac{88.0J/mol.K}{78g/mol}$

Specific heat of this substance = 1.13 J/g.K

Thus, the specific heat of this substance is, 1.13 J/g.K

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3 years ago

28. Explain the difference between the processes of melting and freezing?

natali 33 [55]

Freezing something makes it solid and melting something makes it a liquid

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4 years ago

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What is the name of the molecule shown below?

aliya0001 [1]

The answer is B, Ethanal

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3 years ago

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