Identify the number of components and phases that exist in each system. Assume no component other than the ones given exists in each system.
a. A system containing ice and water
b. A 50:50 solution of water and ethanol, C2H5OH
c. A pressurized tank of carbon dioxide that contains both liquid and gas
d. A bomb calorimeter containing a pellet of benzoic acid, C6H5COOH (s), and 25.0 bar of O2 gas
e. The same bomb calorimeter after the explosion, in which the benzoic acid is converted to CO2 (g) and H2O (l), and assuming excess oxygen
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