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How does the the energy of the iodine particles change in sublimation?
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Explain why sublimation is regarded as a physical change but the slaking of lime is considered as a chemical change?
- Sublimation don't change the molecule; solid iodine or sublimated iodine are iodine. - Slaking of lime transform the calcium oxide in calcium hydroxide. A chemical change occur.
What is sublimation and give an example of a substance that sublimes?
If zinc chloride is heated strongly the solid will sublime.
What do you meant by sublimation also give example?
Sublimation is the process of direct transformation of a solid in a gas: examples are iodine, naphthalene, dry ice, camphor.
What particles sublimate?
iodine
Is sublimation a physical change or physical property?
Sublimation is the physical change of a solid to a gas skipping the step of becoming a liquid. This is a physical change because you haven't changed the chemical nature of the substance. Think of when you take ice out of the freezer and you see "smoke" coming off of it. That is sublimation. The rapid change in temp caused the solid ice to skip its liquid stage and go straight to its gaseous stage
The process by which iodine particles change directly to a gas without first becoming a liquid called?
it's called sublimation
Is iodine sublimating a chemical change?
No, sublimation is a physical change.
Is sublimation of iodine represents a chemical change?
It is impossible
Is sublimation of iodine a physical change?
It is a physical change because no new substance is formed, it is the other form of iodine.
Explain why sublimation is regarded as a physical change but the slaking of lime is considered as a chemical change?
- Sublimation don't change the molecule; solid iodine or sublimated iodine are iodine. - Slaking of lime transform the calcium oxide in calcium hydroxide. A chemical change occur.
Why is sublimation of iodine is a physical process?
It is a Physical Process because, there is no chemical change in the Iodine. The only change that occurs is the change from solid to vapor state of the Iodine.
Is the heating of iodine crystals a chemical or physical change?
It is a physical change (sublimation).
Can iodine and naphthalene be separated by sublimation?
naphthalene and iodine can be separated by sublimation
What chemical compound forms when you heat Iodine?
Heating iodine sublimation occur: this is a direct change from solid to gas.
Is sublimation of iodine reversible or irreversible?
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
Is iodine a physical property or a chemical property?
Iodine is an element and its special property is sublimation, this is a physical change from solid iodine to gasous iodine with no liquid phase(or state) in between.
The chemical equation of iodine solid to gas?
Solid lithium iodide decomposes into solid lithium and iodine gas.
