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1) What properties of a supercritical fluid are more similar to those of a liquid than a gas?
2) What properties of a supercritical fluid are more similar to those of gas than a liquid?
3) Why does CO2 need to be a supercritical fluid for the process of decaffeination?

2 Answers

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1) A supercritical fluid is a substance with both gas-and liquid-like properties. It is gas-like in that it is a compressible fluid that fills its container, and is liquid-like in that it has comparable densities (0.1–1 g ml-1) and solvating power.
User Benlumley
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stan StayC and stream ASAP
User Ajmal Noushad
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