This is a saving of $82 per square foot, each and every year. Multiplied out over a 100,000 ft 2 space, choosing carpet over VCT could save you $8200 per year. The total cost of ownership for each of these flooring types can serve as a guide for helping you to choose the right flooring solution for your organization.
Once the water is at 100 Â°C, still more energy must be added. This is given by the heat of vaporization, which for water is 2261 kJoules per kilogram. So, in the example, once the 1 kg of water. is at 100 Â°C, this amount of energy must be added to boil it: 1 kg * 2261 KJoules/kilogram = 2261 kJoules.
Again, heating of 1 litre of water from 20oC 100oC need 330kJ (0.091kWh) of heat. All these method provide the this amount of heat to water. If you look the kettle which will have about 90% effciency, require 0.183kWh of electricty. Mircowave has about 66% effciency requires 0.139 kWhr of electricity.