It is always feasible that a substance will dissolve in water when:

A. Enthalpy is negative and entropy is positive.
B. Enthalpy is negative and entropy is negative.
C. Enthalpy is positive and entropy is positive.
HELP PLEASE 15 points

Question

31-07-2022
Chemistry

contestada

It is always feasible that a substance will dissolve in water when:

A. Enthalpy is negative and entropy is positive.
B. Enthalpy is negative and entropy is negative.
C. Enthalpy is positive and entropy is positive.
HELP PLEASE 15 points

Respuesta :

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pstnonsonjoku pstnonsonjoku · Answer 1 · 2022-08-01T21:17:30+02:00

The free energy is always negative and the dissolution is feasible when enthalpy is negative and entropy is positive. Option A

What is dissolution of a substance in water?

Water is known as the universal solvent. Water is a polar substance hence it is often used to dissolve polar substances. It has a dipole and being that there is a high degree of electronegativity difference between the oxygen and the hydrogen atoms in water, it is feasible that the degree of hydrogen bonding between the two is high.

We know that dissolution is favored when there will be an increase in entropy as a result of that, that is; if more particles will appear. Now we know that ΔG = ΔH - TΔS.

Given the equation above, it then follows that the free energy is always negative and the dissolution is feasible when enthalpy is negative and entropy is positive. Option A

Learn more about enthalpy:https://brainly.com/question/3393755

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It is always feasible that a substance will dissolve in water when: A. Enthalpy is negative and entropy is positive. B. Enthalpy is negative and entropy is negative. C. Enthalpy is positive and entropy is positive. HELP PLEASE 15 points

Respuesta :

What is dissolution of a substance in water?

Otras preguntas

It is always feasible that a substance will dissolve in water when:

A. Enthalpy is negative and entropy is positive.
B. Enthalpy is negative and entropy is negative.
C. Enthalpy is positive and entropy is positive.
HELP PLEASE 15 points