Answered

A sample of CO2(s) and a sample of CO2(g) differ in their
1) chemical compositions
2) empirical formulas
3) molecular structures
4) physical properties



Answer :

marmal
The correct answer is D.
CO2(s) is a solid.
CO2(g) means it is gas.

So they differ in their physical properties.
Physical propertiers means that they differ in their look.

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