1. Explain the following using the principle of colligative properties. a. Antifreeze or coolant is a liquid mixture containing water and a glycol compound that prevents cars' radiators from freezing. C. b. In ice cream making, the container of ice cream mixture is usually placed in ice-water mixture containing salt. This process makes the freezing of ice cream faster. Pasta boiled in water containing salt is cooked faster than in water without salt.
1. Explain the following using the principle of colligative properties. a. Antifreeze or coolant is a liquid mixture containing water and a glycol compound that prevents cars' radiators from freezing. C. b. In ice cream making, the container of ice cream mixture is usually placed in ice-water mixture containing salt. This process makes the freezing of ice cream faster. Pasta boiled in water containing salt is cooked faster than in water without salt.
Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.63E
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Transcribed Image Text:1. Explain the following using the principle of colligative properties.
a. Antifreeze or coolant is a liquid mixture containing water and a glycol compound that prevents
cars' radiators from freezing.
b. In ice cream making, the container of ice cream mixture is usually placed in ice-water mixture
containing salt. This process makes the freezing of ice cream faster.
c. Pasta boiled in water containing salt is cooked faster than in water without salt.
2. If the antifreeze is composed of 50% ethylene glycol (HOCH₂CH₂OH), what is the molality of a 250-
mL glycol solution? What will be the freezing and boiling temperatures of H₂O in the presence of
ethylene glycol.
16
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