2006-11-28 02:19:13 · 4 answers · asked by unit_804 2 in Science & Mathematics ➔ Other - Science
You need to know the mass of the water and its initial temperature. If you're given the volume of the water instead of mass, recall the the density of water is approximately 1g/cc. If the water is only heated to boiling, and not actually converted into water vapor at the boiling point, you just need to use the relationship Q = mCT, where Q is heat transfer, m is the mass, C is the specific heat capacity of water (4184 J/kg*K), and T is the change in temperature. T will be 100 - t, where t is the initial temperature in degrees Celcius, because the boiling point of water is 100 degrees Celcius.
If the water actually boils away into water vapor, you need to add a term multiplying the mass of the water by the latent heat of evaporation.
2006-11-28 02:21:15 · answer #1 · answered by DavidK93 7 · 2⤊ 0⤋
you need to know the amount of water, the temperature of the water at start and finish, and the specific heat of water to answer this question.
The equation you'd use is Q = C * M * delta T, where Q is the heat added, C is the specific heat of your material, M is the mass of material, and delta T is the change in temperature.
The specific heat for water is 1 calorie/gram degree Celsius. You can also say 4.186 joules/gram degree Celsius, depending what system you're using.
The boiling temperature of water is 100 degrees Celsius, or 212 degrees Fahrenheit.
hope this helps.
2006-11-28 02:26:03 · answer #2 · answered by Anonymous · 0⤊ 0⤋
boiling ability whilst it extremely is approximately to instruct right into a gas, water = a hundred tiers, positioned it on the hob then whilst it extremely is boiling (a great variety of bubbles) positioned the foodstuff in :L (kettles additionally boil water so which you're able to desire to easily pop it in there) THE WATER :L not THE foodstuff for the kettle BTW
2016-12-29 14:57:16 · answer #3 · answered by ? 4 · 0⤊ 0⤋
1 calorie is the amount of energy required to raise 1 cubic centimeter of water 1 degree celsius. So measure the amount of water. Measure the temperature before you started. Then do this:
Total calories = (volume in cubic centimeters) * (100 - starting temperature)
2006-11-28 02:22:05 · answer #4 · answered by jplrvflyer 5 · 0⤊ 0⤋