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Is physisorption a reversible process?
Yes, physisorption is generally considered a reversible process because it involves weak van der Waals forces or electrostatic interactions between the adsorbate molecules and the adsorbent surface. This means that the adsorbate molecules can easily desorb from the surface under suitable conditions, making physisorption reversible.
Why folding a handkerchief is a reversible change?
Folding a handkerchief is a reversible change because it alters the handkerchief's shape without changing its chemical composition or properties. When you unfold it, the handkerchief returns to its original flat form, demonstrating that the process can be easily reversed. This type of change is physical, as it involves a temporary modification rather than a permanent alteration.
Why lemon added to water is an reversible change?
Adding lemon to water is considered a reversible change because the lemon can be easily separated from the water by filtration or evaporation, leaving behind the original components of water and lemon. The lemon juice can be extracted again from the lemon by squeezing it, showing that the change is reversible.
Are all physical changes are reversible changes?
Not all physical changes are reversible. Some physical changes, such as breaking a glass or cutting a piece of paper, are irreversible because they result in a permanent change to the material's structure. Reversible changes, like melting ice or boiling water, are changes that can be easily reversed by altering the conditions.
Is digesting a banana a reversible change?
No, digesting a banana is not a reversible change. Once the banana is broken down and its nutrients are absorbed by the body, it cannot be easily reconstituted back into its original form.
Is physisorption a reversible process?
Yes, physisorption is generally considered a reversible process because it involves weak van der Waals forces or electrostatic interactions between the adsorbate molecules and the adsorbent surface. This means that the adsorbate molecules can easily desorb from the surface under suitable conditions, making physisorption reversible.
Would you that mixing gases is a reversible change?
Yes, mixing gases is a reversible change because it can be easily undone by separating the gases through processes like filtration or distillation. The individual gases retain their properties and do not chemically combine when mixed, allowing them to be separated efficiently.
Why folding a handkerchief is a reversible change?
Folding a handkerchief is a reversible change because it alters the handkerchief's shape without changing its chemical composition or properties. When you unfold it, the handkerchief returns to its original flat form, demonstrating that the process can be easily reversed. This type of change is physical, as it involves a temporary modification rather than a permanent alteration.
What is the difference between a chemical and a physcial change?
chemical change is easily reversible whilst physical is not reversible
Why lemon added to water is an reversible change?
Adding lemon to water is considered a reversible change because the lemon can be easily separated from the water by filtration or evaporation, leaving behind the original components of water and lemon. The lemon juice can be extracted again from the lemon by squeezing it, showing that the change is reversible.
Is a wax burning a reversible change?
No, burning wax is an irreversible change. When wax is burned, it undergoes a chemical reaction that changes it into different substances (carbon dioxide, water vapor, and heat) that cannot be easily reversed.
Are all physical changes are reversible changes?
Not all physical changes are reversible. Some physical changes, such as breaking a glass or cutting a piece of paper, are irreversible because they result in a permanent change to the material's structure. Reversible changes, like melting ice or boiling water, are changes that can be easily reversed by altering the conditions.
Is digesting a banana a reversible change?
No, digesting a banana is not a reversible change. Once the banana is broken down and its nutrients are absorbed by the body, it cannot be easily reconstituted back into its original form.
Which is reversible dissolving with acid reacting with acid both or neither?
Both processes are reversible. Dissolving a substance involves the solute breaking apart into ions or molecules in the solvent, which can easily reform by removing the solvent. Similarly, acid-base reactions can go in both directions depending on the concentration of reactants and products.
Is the ability to rust a chemical or physical property?
The ability to rust is a chemical property because it involves a reaction between iron and oxygen to form iron oxide. This process is not easily reversible and involves a change in the chemical composition of the metal.
What is an advantage of carbamates?
Ill effects when encountered much more easily reversible in humans.
Is it true that all chemical reactions are reversible?
No, not all chemical reactions are reversible. Some reactions are irreversible, meaning they cannot easily be reversed to reform the original reactants.
