explain why phase changes are reversible for solid to liquid and gas to liquid
Phase changes are accompanied with optical contrast and therefore the feasibility of phase.
Non-reversible changes are essentially changes that cannot be reversed back to their previous states. They are considered permanent. Most chemical changes and some physical changes are non-reversible changes.
The possibility for reversible chemical reactions exist.
Yes, some chemical reactions may be reversible.
phase changes are always physical changes
Phase changes are accompanied with optical contrast and therefore the feasibility of phase.
All phase change are reversible.
Because atoms only go through phase changes
See "Related Questions". Phase changes are reversible by adding or subtracting heat. In many cases chemical changes are not easily reversed.
a phase change
yes , all the physical changes are reversible changes.
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The difference between reversible and irreversible is that reversible changes can be changed and irreversible changes cannot. Apart from sometimes but it usually is really hard. Also when the change is reversible no new substances are formed. When the changes are irreversible they are. Something that is reversible can be changed, something that is irreversible cannot be changed. For example, bread into toast is an irreversible reaction, because you cannot turn the toast back into bread.
Reversible changes are those changes which can change into their original form, hence being reversible.
none are reversible
Reversible.
Non-reversible changes are essentially changes that cannot be reversed back to their previous states. They are considered permanent. Most chemical changes and some physical changes are non-reversible changes.