Answered

Your friend claims that the dry ice vapor that you see indicates a chemical change. Are they correct? Why or why not?

A. Yes, because a phase change is a chemical change.
B. No, because this is a chemical property.
C. No, because this is a phase change and is reversible.
D. Yes, because a gas is formed.



Answer :

GinnyAnswer

Final answer:

Dry ice vapor is a physical change (sublimation) not a chemical change.


Explanation:

No, dry ice vapor is an example of sublimation, a physical change where a substance transitions directly from a solid to a gas without passing through a liquid phase. In this case, the form of matter changes without altering its chemical composition. Therefore, it is not a chemical change but rather a phase change.


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