Below is shown the phase diagram of carbon dioxide. Use it to answer the followi

Question

Below is shown the phase diagram of carbon dioxide. Use it to answer the following questions. A) Triple Point B) Critical Point C) Boiling Point D) Sublimation Which is more dense, solid or liquid carbon dioxide? A) Solid B) Liquid C) Can't be Determined Surface pressure on Planet X is 4.2 atm and temperature varies between -80 degree C and 30 degree C.. What phases of carbon dioxide can exist on the surface of Planet X? A) Solid, liquid, gas B) solid, liquid C) liquid, gas D) solid, gas E)cannot be determined The phase diagram of carbon dioxide was determined on earth. How would it be different if it was determined on Mars. A) the temperatures would be different B) the pressures would be different C) both temperatures and pressures would be different D) no differences

Explanation / Answer

1. critical point. The temperature at which the gas cannot be liquifid.that point is critical point.

2. liquid

3. solid gas

4. both temperature and pressure different

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