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Why surface of water freeze at 0 but under water not freeze even at 4c?
Because 4 degrees Celsius is higher than 0 degrees Celsius
How long does it take to freeze 4 cups of water at 17 degrees Celsius?
The time it takes to freeze 4 cups of water at 17 degrees Celsius will depend on factors such as the temperature of the freezer, the container the water is in, and the efficiency of the freezer. In general, it could take several hours to freeze completely.
Why does water not freeze at 4 degrees Celsius?
Ice melts at 0 degrees Celsius. That is a speciality of water. At 3.98 degrees Celsius, the density of water is highest before it begins to form ice crystals. Water at this temperature may be a slush of water and ice.
Will the sake freeze in cold temperatures?
Yes, sake can freeze in cold temperatures, typically around -2 to -4 degrees Celsius.
Are most lakes 4 degree at the at the bottom?
Are most lake between0 and 4 degrees celsius at the bottom of them
Why don't lakes freeze solid?
Lakes freeze from the top down. Some lakes do freeze all the way to the bottom. The layer of ice and the less dense water below 4oC on the top provides an insulation to prevent the heat in the lower levels from escaping and the lower water does not freeze unless it looses this heat. A long enough, cold enough winter will remove the heat (this is simple thermodynamics) and the entire lake will freeze. Small lakes freeze faster - big lakes slower.
Why does all the water in lake have to be cooled to 4c before surface water can be cooled below 4c?
Water is most dense at 4 degrees Celsius. When cooling the surface water below 4 degrees Celsius, the colder water sinks because it is denser, causing a uniform temperature to be established at 4 degrees Celsius throughout the lake before further cooling can occur. This uniformity is necessary to prevent a temperature gradient that could disrupt the natural mixing patterns of the lake.
Predict the exact temperature of the water at the bottom of Lake Michigan on January 1 2010?
4 degrees Celsius
Why does a pond freeze from the bottom?
A pond freezes from the bottom because water is most dense at around 4 degrees Celsius. When the top layer of water cools and freezes, it becomes less dense and remains on top, insulating the warmer water below. This allows the colder water to continue freezing from the bottom up.
What does -20 degrees Celsius represent?
-20 degrees celsius is -4 degrees fahrenheit.
How cold for how long will it take for just water to freeze in a car?
Ok, this is based on equations 0 degrees Celsius is freezing and water will freeze at zero Celsius, but the time to freeze in direct relationship to volume so depending on your vehicle it would take anywhere to 4-6 hours at zero degrees Celsius. For every degree below 5:1 ratio -1 degrees Celsius the 2.5-4.75 hours to freeze. At -20 1 hour or less, to crack the block 2-3 hours. -40 degrees Celsius would take 22 min to freeze and to crack the block 1:10.
How long does it take for a two liter bottle of coke to freeze?
If it is placed in a standard freezer (or the freezer compartment of a fridge) it will not completely freeze; most will be solid over night. However, if the setting is low enough, it can take about the same time as water to freeze, which can be anywhere from 4 to 8 hours.
