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What is difference between defrosting and thawing?
"Defrost" is used to denote the removal of ice. You defrost a freezer or the windows of your car."Thaw" is when something changes from frozen to un-frozen. You thaw out a piece of meat and the ground thaws in Spring.
How much ice to lower the temperature of a gallon of 90 degree F water by 1 degree F?
Depends on the temperature of the ice.
What happens to temperature of ice as it melts?
Although ice exhibits a large number of polymorphs, everything from Ice I to Ice VII, the ice in your soft drink or skating rink is Ice I. For completeness sake these different forms of ice have different crystal lattice structures dependent on temperature and pressure. Ice I converts to Ice II or Ice III at about 2 kb , so ice on earth never naturally gets to any denser conviguration. When ice melts it reaches a temperature when a change of state occurs. During this process all heat going to the ice goes into melting the ice, not raising its temperature. If you were to measure the temperature of a pan filled with ice cooled to below 0o C as you applied heat to it you would see the following stages: # The temperature of the ice rises as the heat is applied until the temperature reaches 0oC. During this period there is no melting. # The ice starts to melt but the temperature of the ice and water stays at 0oC. # Once all the ice is totally melted, the temperature of the water starts to rise as more heat is applied.
Why if you left an ice cube and salt at the sun the ice cube melts and the salt doesnt?
Because the melting temperature of the ice is 32°F and the melting temperature of the salt is 1,474°F.
What is the constant in a experiment on melting rate of ice?
temperature
Why is freeze thaw?
Fresh water (for instance) will freeze and turn to ice when the temperature drops below freezing point. The ice will thaw (melt back into water) when the temperature rises above freezing point.
Does the time that ice is in the freezer affect how long it takes to thaw?
Assuming there are no other impurities, and that the entirety of ice has been allowed to freeze to the temperature in the freezer, no, it doesn't. This is because the ice has reached it's minimum temperature (as allowed by the freezer) and it no longer lowers.
IS Ice cap part of Freeze-thaw cycles?
Yes, ice cap formation is a result of freeze-thaw cycles. When temperature fluctuations cause water to freeze and thaw repeatedly, ice caps can form on surfaces. This process can lead to erosion and changes in landscape over time.
What is the temperature at which ice melts?
when temperature start increaseing from 0 degree, ice start melting
At what temperature does ice start melting?
31
Why doesn't the freeze-thaw cycle happen in Antarctica?
In Antarctica, the temperature is consistently below freezing, so there is no opportunity for a freeze-thaw cycle to occur. The extreme cold prevents the melting phase of the cycle from happening, as temperatures remain too low for ice to melt.
How fast does Jell-O thaw?
Jello thaws at a rate according to the temperature of the environment into which it is set. Warmer temperature will make it thaw faster than cooler temperature.
Will ice rise in temperature straight away when heated?
No, ice will not immediately rise in temperature when heated. Initially, the heat energy will cause the ice to melt and transition into water. Only after the ice has completely melted will the temperature of the water start to rise.
What is the approximate temperature of a glass of water with ice in it?
The temperature of water with ice will be around 0°C (32°F) until all the ice melts, at which point the temperature will start to rise.
Is it safe to thaw chicken at room temperature?
No, it is not safe to thaw chicken at room temperature as it can lead to bacterial growth and increase the risk of foodborne illness. It is recommended to thaw chicken in the refrigerator, under cold water, or in the microwave.
Why freeze-thaw is unlikely to happen in deserts?
Freeze-thaw cycles are unlikely to happen in deserts because the temperature in deserts typically does not drop low enough to freeze water. Additionally, deserts tend to be dry, so there is often limited moisture available to form ice. This combination of low temperatures and low moisture levels makes freeze-thaw cycles uncommon in desert environments.
How long does meat take to thaw at room temperature?
It is not safe to thaw meat at room temperature as it can lead to bacterial growth. It is recommended to thaw meat in the refrigerator, which can take several hours to a day depending on the size and type of meat.
