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How much energy is needed to keep one gallon of water from freezing?
Wiki User
∙ 13y ago
None.
When water freezes it _releases_ energy (the heat of fusion, 333.55 kj.kg). To keep it from freezing, simply keep the energy constant. If the ambient temperature is below zero C (32 F) the rate of energy loss will depend on the temperature of the air and the thermal resistance (insulation value) of the water's container, and other factors such as wind speed. In those conditions you must replace the energy lost to prevent the water from freezing. However, the energy needed depends on the rate of loss, not on the amount of water.
Wiki User
∙ 13y ago
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Which of the processes of water cycle occur to releaseing energy?
In the water cycle heat energy is released during the processes of condensation and freezing. 334 J/g is released during freezing and 2260 J/g is released during condensation.
Energy needed for metabolism does not come from?
water
How many watts of energy are in a gallon of salt water?
A watt is a unit of power (Joules/second: energy / time). I guess it depends on what method you are using to get energy out of the water, as to how much energy is in it.
Why is the temperature needed to freeze the ocean water lower than the temperature needed to freeze the surface of a freshwater lake?
Dissolved salts in water contribute to a decrease of the freezing point.
In a ratio of 4 ounces of pesticide to 1 gallon of water how much pesticide is needed to fill a 30 gallon tank?
120 ounces
Does freezing water have physical energy or chemical?
physical energy
How many halfpint cartons of water are needed to fill the gallon container?
16 halfpint cartons of water are needed to fill the gallon container
How much salt is needed to stop 200ml of water freezing?
7 table spoons of salt stops 500ml of water from freezing
How much salt is needed to stop 100ml of water freezing?
The freezing cannot be stopped; only the freezing temperature is lowered adding salts.
How much heat is needed to increase the temperature of 1 gallon of water?
Any amount of energy you like greater than 0; the larger the amount of energy you give it, the larger the temperature increase will be. Perhaps you should specify by how much temperature you want the gallon of water to increase and you may get a more specific answer.
How do you stop water from freezing?
heat it up, add energy to it
How much energy is generated from freezing 2.5g water?
0
Which of these best describes the formation of the lowest energy state of water?
freezing
What does flowing waters have?
Flowing water has kinetic energy associated with that fact that it is moving. It is a fact that moving water is more resistant to freezing than still water.
Which on has more calories or heat energy a 3 gallon bucket of water or a 1 gallon?
3 gallons because it has more heat energy and it gets warmer
How much energy is in one gallon of water?
Depends on how you use it.. According to Einsteins equation E=mc^2 (energy = mass * the speed of light squared), 1 gallon of water is equal to 326 petajoules. The world consumes 15 terawatts (54 petajoules / hour). -HowStuffWorks.com 1 Gallon of water = Enough energy to satisfy the world's energy needs for ~6 hours.
Does freezing gain thermal energy?
Yes. When ice is converted to water, thermal energy is required. When the water is converted back to ice, the same amount of thermal energy is released.
