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How many watts does a 1000W microwave use?
1000 W means one thousand watts. That is normally the heating effect that it produces, so the power taken from the supply could be 1500 watts.
How many joules does a kilogram of coal have?
On average, coal has a heating value of about 24 megajoules per kilogram. This means that a kilogram of coal has approximately 24,000,000 joules of energy.
How many joules are in a kg of wood?
On average, wood has a heating value of around 16-20 megajoules per kilogram (MJ/kg). This means that a kilogram of wood contains about 16,000-20,000 joules of energy.
How much heat energy would be required to bring a 15 kg block of ice from -20 degrees Celsius to steam at 120 degrees Celsius?
To bring the ice block to 0 degrees Celsius, you would need 150,000 Joules (Q = mcΔT). To melt the ice at 0 degrees Celsius, you would need 3,375,000 Joules (Q = mLf). Heating the water from 0 to 100 degrees Celsius would require 1,500,000 Joules (Q = mcΔT). Turning the water to steam at 100 degrees Celsius would need 10,500,000 Joules (Q = mLv). Finally, heating the steam to 120 degrees Celsius would require 600,000 Joules (Q = mcΔT). In total, you would need 15,125,000 Joules of heat energy.
How many joules are in 56 kilo joules?
There are 56,000 joules in 56 kilojoules. This is because there are 1,000 joules in a kilojoule.
How do you convert from killi joules to joules?
To convert from kilo joules to joules you have divide by 1000 as 1 kilo joule is equal to 1000 joules. E.g. 2 kilo joules equals 2000 joules.
How many joules in a petajoule?
A petajoule is 1015 joules (Quadrillion joules)
How do you Convert 3 calories to joules?
4.18400 joules = 1 calorie, so 12.552 joules = 3 calories
What is the lower heating value of carbon dioxide?
Zero . the heating value in general refer to the amount of energy released per each meter cube of the element combusted. CO2 is noncombustible gas.
What is the correct conversion between joules and kilojules?
To convert joules to kilojoules, divide the number of joules by 1000. For example, 1 kilojoule = 1000 joules, 5000 joules = 5 kilojoules.
How many joules are there in 135 calories?
148 calories is 619.6 joules. Since one calorie = 4.18 joules then you multiply that number by 148 and you get 618.64 joules (619 rounded)
How many joules are in 55.2 calories?
A calorie is about 4.2 joules, therefore a kilocalorie is about 4200 joules. You can multiply by this number.
