Miscibility of Water and Ethanol

In summary, when ethanol and water are mixed, they are completely miscible, meaning they dissolve in each other in all proportions. This is due to the fact that the tendency towards minimum energy favors the solution of one substance in the other, and the randomness is increased in the dissolving process. This explains why water and ethanol are completely miscible. As for whether or not ethanol is polarized, it is not mentioned in the conversation and therefore cannot be determined.
  • #1
ChemRookie
39
0
Ethanol and water are completely miscible; that is, they dissolve in each other in all propertions:

a) When the two substancse are mixed, is randomness increased or decreased?

b) Head is liberated in the dissolving process. Does the tendency toward the minimum energy favour the separated pure substances, or the solution of one in the other?

c) In view of the tendencies listed in a) and b) above, explain why water and ethanol are completley miscible.

This part is not in the book, so hope you can help.
 
Chemistry news on Phys.org
  • #2
What are your thoughts ?
We can't help unless you give it a shot first.
 
  • #3
ChemRookie said:
Ethanol and water are completely miscible; that is, they dissolve in each other in all propertions:
Can I ask, therefore, is Ethanol polarised?

ChemRookie said:
a) When the two substancse are mixed, is randomness increased or decreased?
What do you think the randomness is being applied to?

The Bob (2004 ©)
 

1. What is miscibility?

Miscibility refers to the ability of two substances to completely mix and form a homogeneous solution at a molecular level. In other words, miscible substances are able to dissolve in each other in any proportion.

2. Are water and ethanol miscible?

Yes, water and ethanol are considered miscible because they can dissolve in each other in any proportion. This is due to the similar polar nature of these molecules, which allows them to interact and form a homogeneous solution.

3. Why do water and ethanol mix well?

Water and ethanol mix well because they both have polar molecules. This means that they have regions of positive and negative charge, which allows them to interact and form strong intermolecular bonds. Additionally, both molecules have a similar size and shape, which also contributes to their ability to mix well.

4. What happens at the molecular level when water and ethanol mix?

When water and ethanol mix, the polar molecules of each substance interact with each other. The oxygen atom of water is attracted to the hydrogen atoms of ethanol, while the oxygen atom of ethanol is attracted to the hydrogen atoms of water. This allows the molecules to form strong intermolecular bonds, resulting in a homogeneous solution.

5. Can the miscibility of water and ethanol be affected by temperature?

Yes, the miscibility of water and ethanol can be affected by temperature. As temperature increases, the kinetic energy of the molecules also increases, making it easier for them to overcome intermolecular forces and mix well. However, at extremely high temperatures, the molecules may have too much energy and can break apart, reducing the miscibility of the two substances.

Similar threads

Excess Enthelpy for Water-Ethanol Solution
    • Chemistry
Replies
1
Views
3K
Miscible - acetone in petrol/oil & water?
    • Chemistry
Replies
2
Views
8K
Define dynamic equilibrium state
    • Chemistry
Replies
2
Views
4K
Boiling and melting point of impure substances
    • Chemistry
Replies
2
Views
42K
Equilibrium (water and ethanol)
    • Biology and Chemistry Homework Help
Replies
2
Views
7K
I Filling a pool with the hose end above or in the water
    • Classical Physics
Replies
10
Views
288
Effect of Ethanol and Water Mixing on Randomness: A Discussion
    • Biology and Chemistry Homework Help
Replies
4
Views
4K
How to define dynamic equilibrium
    • Introductory Physics Homework Help
Replies
3
Views
6K
Adsorption of Benzene using Activated Carbon - Increase in concentration?
    • Chemistry
Replies
8
Views
6K
Textbook Recommendations for IChO
    • Biology and Chemistry Homework Help
Replies
2
Views
4K

Hot Threads

Recent Insights

Back
Top