How many phase rule variables must be specified to fix the thermodynamic state of a sealed flask containing a liquid ethanol-water mixture in equilibrium with its vapor

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Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa