it is a physical change , sublimation is a transition of a substance from the solid phase to the gas phase without passing through an intermediate liquid phase. the iodine crystals when subject to heat turns to a violet gas , and when it cools it turns back to solid form. the composition doesn't change so it n is only a physical change
Irreversible
A Bunsen burner is an object: it is not a process of any kind.
Iron sulfide is a chemical compound. A process or reaction may be reversible or irreversible; a compound isn't.
physical change is reversible because you can undo it for example: if you fold a paper you unfold the paper. chemical chang is irreversible because if you make somthing together you could not seperate them.
Is printing a reversible change? Why?
Irreversible
reversible!
A Bunsen burner is an object: it is not a process of any kind.
reversible
reversible
Reversible
reversiublrt
what is reversible vs irreversible ischemia in the brain
solidify is an irreversible
Irreversible.
Yes, this change is reversible.
reversible