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Does it take more energy to heat the water to 100 degrees Celsius or to boil it?
q (heat energy in Joules) = mass * specific heat * change in temp 1st problem: q = (100 g H2O)(4.180 J/gC)(100 C - 50 C) = 20900 Joules ---------------------- 2nd problem: q = (100 g H2O)(4.180 J/gC)(70 C - 60 C) = 4180 Joules --------------------- As you can see from 50 C to 100 C takes much more heat energy as one would intuitively think, 20900 J/4180 J = 5 times as much energy.
At standard conditions on the celsius scale water will boil at what?
At standard conditions, water will boil at 100 degrees Celsius.
How long does it take for the water to start boiling At what temperature does the water boil?
The time it takes for water to start boiling depends on factors like the heat source, the amount of water, and the container. Water boils at 100 degrees Celsius (212 degrees Fahrenheit) at sea level, where the atmospheric pressure is around 1 atmosphere.
What is Water absorption coefficient formula?
If the water is not already at boiling temperature, then you will need equations 1 and 2. If the water is already at boiling temperature, you will only need equation 2.1. Q = m X C X ΔTThis equation is used to calculate how much energy is required to change the temperature of a given object, of given mass, by a given number of degrees.Q = the total amount of energy required, in joulesm = mass, in grams, of the object being heated (in this case, the water)C = the specific heat of the object (for water, 4.186)ΔT = the total change in temperature2. Q = 2.257 joules X mThe 2.257 in this equation is the heat of vaporization of water: that is, the amount of energy, required per gram of water, to boil water: 2.257 joules per gram. If you were using this equation for a different substance, you would have to look up its heat of vaporization, and substitute it in this equation.Q = the amount of energy required, in joulesm = mass, in grams, of the waterFor example, suppose you were asked to calculate how much energy it would take to boil 256 grams of water which is currently at 40 degrees Celsius. We know that the boiling temperature of water is 100 degrees Celsius; therefore the change in temperature, ΔT, is 100 - 40, which equals 60. Calculate as follows:Q = 256 grams X 4.186 X 60°CQ = 64296.96 joulesThis is how much energy it will take to raise the temperature of the water from 40°C to 100°C. Now calculate how much energy it will take to boil the water once it reaches 100°C:Q = 2.257 joules X 256 gramsQ = 577.792 joulesWe now take the energy required to raise the temperature of the water from 40°C to 100°C and add it to the energy required to boil the water:64296.96 joules + 577.792 joules = 64874.752 joulesConvert to kilojoules:64875.752 joules / 1000 = 64.875752 kilojoulesRound to 64.88 kilojoules.If you are required to express your answer in scientific notation, then express it as6.488 x 103 kilojoules.
How do you calculate the efficiency of energy transfers?
Only 10% of the energy in one level gets to the next. The other 90% is used on movement. If you can figure out how much energy is in one trophic level, you can get how much energy gets to the next level by multiplying it by 0.1
Does it it take more energy to heat the water to 100 degrees celsius or boil it?
If by "boil" you mean have it all evaporate, that takes MUCH more energy. For example, to increase the temperature of one gram of water from 20 to 100 degrees Celsius, you need 4.2 joules/gram/degree times 80 degrees = about 336 joules; then, to evaporate all the water, you need an additional 2257 joules.
How much energy does a light take?
In a house, usually 100 watts approx
How long does it take to boil an egg at 200 degrees Celsius?
Water evaporates at 100 so it would not be possible to boil an egg at 200
How much energy does it take to boil 100 mL of water (Refer to table of constants for water.)?
100 mL × × × 40.65 kJ/mol = 226 kJ
How long does it take to boil 100 ml of water in a Bunsen burner?
8.30 minutes
Does it take more energy to heat the water to 100 degrees Celsius or to boil it?
q (heat energy in Joules) = mass * specific heat * change in temp 1st problem: q = (100 g H2O)(4.180 J/gC)(100 C - 50 C) = 20900 Joules ---------------------- 2nd problem: q = (100 g H2O)(4.180 J/gC)(70 C - 60 C) = 4180 Joules --------------------- As you can see from 50 C to 100 C takes much more heat energy as one would intuitively think, 20900 J/4180 J = 5 times as much energy.
How many minutes does it take to boil salt water?
Salt water will boil at 108 degrees Celsius, so getting it to the boil will take 8% longer under the exact same circumstances as when you heat it to 100 degrees. How much time it will take in minutes depends on how high you will turn up the fire, if you will put a lid on the pan, whether you turn up or down the heat halfway etcetera.
When does water freeze and boil Celsius?
Freeze=0 Boil=100
What temperatere does water freeze and boil at?
Freeze : 0 Boil : 100
How many GJ does it take to boil a cup of water?
The specific heat of water is 4,179 J/g.For a cup of 250 mL the energy is:250 x 4,179 x 100 = 104 475 J = 0,104 GJ.
How long does it take to boil tar?
It depends on how much energy you are putting into the tar such as 100 degrees Celsius. Look up the specific heat of tar and its chemical composition
How much pressure does it take to make water boil?
At 760 mmm col. Hg pure water boil at 100 0C.
