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The energy required to raise the temperature of water depends on the atmospheric pressure as well as the starting temperature. At a pressure of one atmosphere, the amount of energy required to raise the temperature of water from 0 deg C to 100 deg C (32 to 212 deg F) is 4.19 joules per gram. At 4 deg C, (39.2 deg F) it is approx 4.204 joules per gram per deg C. That is 4.204/1.8 = 2.33555... recurring joules per gram per deg F and so, for a kilogram, the energy required is 2335.55... joules.
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How much time did it take for the water to reach 100 degrees celsius?
That depends on the amount of water, on how cold it was initially, and on how fast heat energy is supplied.
How much heat energy is absorbed in 65 gram sample whose temperature changed from 45 to 80 degrees celsius?
That completely depends on the specific heat capacity of the substance of which the sample is composed, which you haven't identified. It will take a lot more heat energy to raise the temperature of 65 grams of water 35 degrees than it would take to do the same to 65 grams of iron or yogurt, e.g.
How many minutes does it take for water to get 80 degrees F?
It depends entirely on what the initial temperature and volume of the water is and how much heat is applied.
How much energy does it take to heat water from 32 deg f to 132 deg f?
1 BTU (british thermal unit) of heat energy will change the temperature of 1 pound of water by 1 degree Fahrenheit. If you are talking about 1 pound of water, since this is a change of 100 deg f, it would require 100 BTU. 2 pounds require 200 BTU. 3 pounds require 300 BTU. etc.
How much heat does it take to change 92 pounds of water at 137 degrees F to 119 degrees F?
Use 1 BTU = 1 lb of water 1° F.Quantity = 92 lbsTemp change = (137° - 119°) = 18° F.92 x 18 = 1,656 .It doesn't 'take' any heat to do the job. Since you're allowing the water to cool,from 137° to 119° , the water will release 1,656 BTU of heat as that happens.Then you can gather up the heat and take it away to do something else with it.
Why does water take so long to warm up?
The specific heat of water determines how much energy is needed to heat water.
How much energy does it take to melt ice?
Heat because Ice and water would thaw out and begin to heat up
How much energy does it take to heat 1cubic centimetere of water?
It depends on which temperature you want to reach and at which temperature is the water before you start heating it!
Does water require energy?
If you take energy in the form of heat, from water it will freeze and so is not water any more.
How much time did it take for the water to reach 100 degrees celsius?
That depends on the amount of water, on how cold it was initially, and on how fast heat energy is supplied.
What form of energy is the energy of the future and why?
geothermal energy, why? because geothermal energy runs off of the earths heat and does not take heat away from the earth it will never stop giving of energy win or no wind rain or no rain water or no water
How much heat is needed to heat 100g of water from 10 to 95 degrees?
A calorie of energy (NOT to be confused with a Calorie, they are different so watch the caps) is the amount necessary to heat 1 gram of water 1oC, so 30 calories are needed to heat 30 g of water 1 degree. To heat it 70oC would take 2100 calories (or 2.1 Calories) of energy.
Does water conduct heat away from your body faster compared to air does?
Ok, lets assume that a pool of water and the air are at the same temperature. There are a number of ways you can lose heat to the surroundings, however in this example the most important reason is: Conduction. This is due to direct contact with surrounding particles. As the Particles in you body vibrate with energy they collide with surrounding air or water particles. You will thus lose much more energy to water than to air as water is much better at conducting heat away from you. (There are many times more water particles to transfer the energy away). In terms of heat capacity, if water has a higher heat capacity then it will take more energy from your body to heat it up. Seeing as you body is warmer than the surrounding water, the water will take more of your thermal energy to reach thermal equilibrium with you.
Why might temperature of water increase when a solution forms?
A solution can take in energy, which is heat.
How much joules does it take to heat water to 100 degrees?
To heat 1 gram of water by 1 degree Celsius, it takes 4.18 joules. So, to heat water from, for example, 20 degrees to 100 degrees, you would need to calculate the total mass of water and apply the specific heat capacity to determine the total energy required.
Does energy flow into or out of water when it is turning into ice?
It must flow out, ice contains less energy than water. You just have to remember that heat is energy, and all energy, no matter what form, eventually winds up as heat. Take heat energy out of water, it gets cooler, and eventually freezes. Add heat energy to ice, it first changes state to liquid, and then starts to get warmer. Keep adding heat energy to it, it keeps getting warmer and warmer. Keep additing heat energy to it, and eventually it changes state to gas ... called "steam". Take heat energy out of the steam, it first changes state to liquid, then gets cooler. etc. etc.
Are necessary for evaporation to occur?
Three main factors are necessary for evaporation to occur: heat energy, a source of water, and an open space for the water molecules to escape into the air. Heat energy provides the necessary kinetic energy for water molecules to break free from the liquid. Without these factors, evaporation cannot take place.
