Magnesium Chloride Is Often Used to Melt Ice on Sidewalks

question 89

Multiple Choice

Magnesium chloride is often used to melt ice on sidewalks. Considering that the solubility of magnesium chloride (95.21 g/mol) in water is 54.3 g per 100.0 g of water, what is the lowest temperature that you would expect to be able to melt ice with magnesium chloride? Assume ideal behavior. K_f (water) = 1.86°C/m

• A) -40°C
• B) -32°C
• C) -11°C
• D) -25°C
• E) -22°C

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Definitions:

Pyrogens

Fever-inducing substances, typically produced by bacteria, which can cause the body's temperature to increase when introduced.

Auscultating

The act of listening to the sounds made by internal organs of the body, typically with a stethoscope, as a method of diagnosing medical conditions.

Palpatory Reading

The technique of examining the body by touch, especially for the purpose of diagnosing disease or illness.

Radial

Related to the radius bone or the radial artery, often used in the context of the lateral aspect of the forearm.