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What process requires water to gain 2260 joules energy per gram?
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Is water evaporating an exothermic process?
The evaporation of water is endothermic. In order for the hydrogen bonds to be broken in water (which is required for water to evaporate), an input of energy is needed. Conversely, the condensation of water vapor is exothermic.
When 418 joules of heat energy are added to 10 grams of water at 20C the final temperature of the water will be?
21
How many joules of energy are necessary to heat a sample of water with a mass of 46 g?
46 calories (or 192, 464 joules) for each Celsius degree.
How much energy is required to heat 955 g of water from 20 degrees C to 100 degrees C?
4.1858 joules of energy will raise the temperature of 1 g of water by 1oC. Thus, 4.1858 * 955 * 80 = 319795.12 joules of energy is required to raise the temperature of 955 g of water by 1oC.
Which process usually requires water for weathering?
Chemical weathering
During which process does water gain the most heat energy?
Evaporation because it requires 2,260 Joules to gain heat energy. Condensation, freezing, and melting require less Joules than evaporation.
Which process in the water cycle requires the direct input of energy?
Evaporation.
When or where is ATP required in the process of water transport?
Generally it isn't, diffusion is a process that requires no energy.
Which process requires water to gain 540 calories of energy per gram?
Vaporization
What requires more energy melting or boiling?
Melting requires energy input or absorption because liquid water has more energy than solid water.
Is water evaporating an exothermic process?
The evaporation of water is endothermic. In order for the hydrogen bonds to be broken in water (which is required for water to evaporate), an input of energy is needed. Conversely, the condensation of water vapor is exothermic.
When the hydrosphere receives energy from the Sun what does water do A.condenses. B.precipitates. C.evaporates. D. runs off?
The only process which requires the input of energy is evaporation.
What step of the water cycle requires energy?
evaporation requires energy from the sun
What is the process called from the water cycle that requires heat and energy?
The addition of energy can cause water to either increase in temperature or change phase (state). If enough energy is added, vaporization will occur and liquid water will change to water vapor.
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.
When 418 joules of heat energy are added to 10 grams of water at 20C the final temperature of the water will be?
21
Latent heat of fusion for H20 ice to water?
334 Joules per gram ... at 0oC, 334 Joules of energy must be added to melt one gram of ice from solid to liquid form, and 334 Joules of energy must be removed to freeze one gram of liquid water to form ice.
