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The freezing point decreases slightly with increased pressure. See the phase graph at the related link.
I do remember seeing a science fair project, where the student attached a weight to a fishing line or dental floss. Then he put it over a piece of ice. The weight, distributed over the small surface area of the string caused high pressure on the ice, which lowered the freezing point enough that the ice melted. As soon as the ice melted, the weight would pull the string down through the water, so then the water no longer had the high pressure on it, and it would freeze again. After several minutes, he picked it up, and the string ran right through the center of the ice cube.
What else can I help you with?
Freezing point is the point at which a liquid turns into a solid What effect can change the freezing point?
Changing the pressure can affect the freezing point of a substance. Generally, an increase in pressure will lower the freezing point, while a decrease in pressure will raise the freezing point. The presence of solutes or impurities in the liquid can also change the freezing point.
How does pressure affect freezing?
Increasing pressure will give a lower freezing point. So if you wish to keep ice cold longer, increase pressure on the ice.
Would vinegar affect the freezing point?
Vinegar will not affect the freezing point of vinegar.
How does changing the concentration of a solution affect the kf?
Increasing the concentration of a solute the freezing point depression is increased.
What affects freezing point?
The factors that affect the freezing point of water are 1. pressure : the pressure on the liquid may alter the freezing point. 2. impurities : the impurities in water such as salt, sugar etc also alters the freezing point.
Can the freezing point be lower than its boiling point in a constant pressure?
At a constant pressure, the freezing point is always going to be lower than the boiling point.
What processes is most affected by pressure freezing or boiling or melting?
Boiling and freezing points of a substance are affected by pressure. An increase in pressure raises the boiling point and lowers the freezing point of a substance. Melting point is not significantly affected by pressure.
What information does the water freezing point pressure chart provide?
The water freezing point pressure chart provides data on the relationship between pressure and the temperature at which water freezes. It shows how the freezing point of water changes as pressure increases or decreases.
Is freezing boiling or melting most affected by pressure?
Boiling point is most affected by pressure. Note that freezing point and melting point are in fact the same.
How does the number of moles affect the freezing point?
Higher the concentration of the solute, lower is the freezing point.
Explain why the water froze at a temperature lower than 0 degrees Celsius ?
Pure water, at normal atmospheric pressure freezes at 0 deg C. If the pressure is greater than normal atmospheric pressure (760mm of Hg) or if the water contains dissolved substances, its freezing point will be below 0 deg C.
Is it true that water would never freeze at -4C?
No, pressure affects the freezing point of substances. When you increase the presure, you lower the freezing point. So if you kept water at -4C then increased the pressure enough, the water would start to freeze
