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How many kilo joules of energy are released when 1.60 kg of water cools from 80.0 degrees Celsius to 60.0 degrees Celsius?
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How many joules does it take to raise temperature from 30 degrees Celsius to 45 degrees Celsius?
15.37684 joules
How many joules of energy are required to raise the temperature of 74g of water from 20 degrees to 70 degrees celsius?
15480.80
How much energy is released when 42.5g of aluminum vapor are cooled from 4750 degrees Celsius to 25 degrees Celsius?
q = (42.5 g)(0.902 J/gC)(25o C - 4750o C) = - 1.8 X 105 Joules ====================negative can be ignored for absolute value, but remember the direction the heat is going.
How much energy is required to raise 21kg of water by 2 degrees Celsius?
21 Kg = 2100 grams to rise the temperature of this amount of water by 2 degrees Celsius you need 2*2100 = 4200 calories or 17572.8 Joules.
How many joules of heat energy must be supplied to 21 g of water to raise the temperature of the water from 24 to 95 degrees Celsius?
21 grams through 71 degrees is 21x71 calories.
Is heat energy measured in units of joules degrees Celsius and in degrees Fahrenheit?
Heat is measured in unit of what...
How many joules does it take to raise temperature from 30 degrees Celsius to 45 degrees Celsius?
15.37684 joules
How many joules of energy are required to raise the temperature of 74g of water from 20 degrees to 70 degrees celsius?
15480.80
What is an amount of water whose temperature would change by 15 degrees Celsius when it absorbs 2646 joules of heat energy?
The amount of water whose temperature would change by 15 degrees Celsius when it absorbs 2646 joules of heat energy is 42,2g H2O.
How many joules does it take to heat up 15.1kg of glass to 15 degrees Celsius to 45 degrees Celsius?
3.8 x 10^5 Joules
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 heat is released when 12.4 g of steam at 100 degrees celsius condenses to water at 100 degrees celsius?
The latent heat of condensation of steam is 2260 Joules per gram (539.3 cals/g). So the amount of heat released by 12.4 g = 12.4*2260 Joules = 28,024 Joules or 6687 cals.
How many joules of energy are needed to heat steam from 100 celsius to 114 celsius?
Approx 2940 Joules.
How much energy is released when 42.5g of aluminum vapor are cooled from 4750 degrees Celsius to 25 degrees Celsius?
q = (42.5 g)(0.902 J/gC)(25o C - 4750o C) = - 1.8 X 105 Joules ====================negative can be ignored for absolute value, but remember the direction the heat is going.
How much heat in joules is required to convert 92g of ice at 0.00 degrees Celsius to water vapor at 148 degrees Celsius?
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How many joules are needed to change the temperature of 100 g of water from 20 degrees Celsius to 40 degrees celsius?
8.200 J
How much energy is required to raise 21kg of water by 2 degrees Celsius?
21 Kg = 2100 grams to rise the temperature of this amount of water by 2 degrees Celsius you need 2*2100 = 4200 calories or 17572.8 Joules.
