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The fact that water expands slightly when it freezes is very important, because as a result of that expansion, ice is slightly less dense than liquid water and therefore floats on water. Because ice floats, large bodies of water do not freeze entirely in cold weather. The ice floating on the top insulates the liquid water underneath. And as a result of that, aquatic organisms can survive the winter. It may well be that the evolution of life as we know it on Earth would not have been possible if not for this detail, that water expands when it freezes.
There are numerous other consequences as well. Freezing ice causes damage in porous rocks, and damages roads and so forth, because when water is trapped in a crack or crevice and it then expands, it forces the material apart.
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What is the point of freezing water in centergrade?
Centigrade important temperatures for water: Freezing: 0 degrees. Boiling: 100 degrees.
Which of theses can cause the expansion and contraction of rocks due to weathering?
Warming during the day, will expand the rock. Freezing during the night, will contract the rock.
What process changes rock to soil?
erosion 1.The process of expansion and contracting due to heat and cold 2. Abrastion from wind blown particles, water movement and gravity downward movement 3. Absorbtion of water and freezing causing internal expansion
What is the freezing point of carbon dioxide?
The freezing point of co2 is -78.5When studying chemistry, it is important to know the freezing point of things that may be handled. The Freezing point of Carbon Dioxide is -108.4 degrees Fahrenheit.
What temperature is important to record in a freezing point determination experiment?
if you could only record a single temperature reading in a freezing point determination experiment, which temperature should you record
What is the word to describe expansion when water turns into ice?
FREEZING
Can you measure the Linear expansion and coefficient of Freezing Water?
Freezing water will expand about 3% linearly as it freezes, then it will contract with a positive expansion coefficient as ice and gets colder. It can be measured using methods such as dilatometer or transducer.
When water freezes it undergoes?
- At the freezing point water become from a liquid a solid.- Freezing is accompanied by an expansion, the volume is greater.- Freezing is a physical process, the nature of the molecule remain unchanged.- Water freezing is an endothermic process.
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Water Uptake is most important in the expansion of plant cells.
Water expands as it freezes can you define a coefficient of volume expansion for the freezing force?
The coefficient of the thermal expansion of water is equal to .00021. Water expands by 9% of its volume when it freezes.
Two reason why Mercury is used in thermoters?
compatible expansion/contraction characteristics -- linear expansion and contraction for the normal temperature range; low freezing point of -38 degrees C
Are galaxies important?
Galaxies are very important in the expansion of the universe.
Did John Adams create expansion in the us?
No. John Adams was not important in creating expansion in the US.
What is the most important source of capital for business expansion?
what is the most important source
What is the point of freezing water in centergrade?
Centigrade important temperatures for water: Freezing: 0 degrees. Boiling: 100 degrees.
What ocean was important for America's expansion?
The Pacific Ocean
What sea was important for American expansion?
the Mediterranean Sea
