객관식
Which of the following aqueous solutions would have the lowest freezing point?
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14. Solutions
Freezing Point Depression
객관식
Which of the following best describes the freezing point of pure water at standard atmospheric pressure?
A
-10 ^\(\text{o}\) \(\text{C}\)
B
0 ^\(\text{o}\) \(\text{C}\)
C
100 ^\(\text{o}\) \(\text{C}\)
D
32 ^\(\text{o}\) \(\text{C}\)
검증된 단계별 안내1
Recall that the freezing point of a substance is the temperature at which it changes from liquid to solid under standard atmospheric pressure (1 atm).
For pure water, the freezing point is a well-established physical property and is commonly used as a reference point in temperature scales.
Understand that at 1 atm pressure, pure water freezes at 0 degrees Celsius, which means it transitions from liquid to solid at this temperature.
Recognize that temperatures like -10 °C or 32 °C do not correspond to the freezing point of pure water under standard conditions; -10 °C is below freezing, and 32 °C is above freezing.
Therefore, the best description of the freezing point of pure water at standard atmospheric pressure is 0 °C.
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