1). You don't mean 'power'. You mean 'energy'.
'Power' is the rate at which the you pump the energy into the water. You can put it in fast (high power),
or you can put it in slow (low power). The total amount of energy it takes will be the same either way,
but it'll take longer at low power.
You don't pay the electric company for power (kilowatts). You pay them for energy (kilowatt-hours).
2). The answer to the water-boiling question completely depends on the starting temperature of the water.
Thermocouples directly convert thermal into electrical energy by using two unlike alkaline metals and having them react. There are indirect conversions as well, such as coal and nuclear power plants. The coal is burned to boil water which then uses the steam to turn turbines. Nuclear power plants are similar, except they use a nuclear reaction to generate heat to boil water.
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Nuclear power plants use the heat from the radioactive decay of Uranium or other radioactive atoms to boil water and make steam to run electrical generators.
To boil water into steam to run (turn) turbines.
They burn the oil to boil water and create high temperature, high pressure steam. This steam is directed through a steam turbine which rotates. This is connected to a generator, which transfers rotational movement into electrical energy. The electricity is then passed through wires to your house.
Simple Answer: Petroleum is burned to boil water into steam. That steam rises and turns the electrical generator.
The nuclear reaction produces heat, which is used to boil water. The steam then drives a steam turbine, producing electricity.
Nuclear energy is used to produce power in nuclear power plants. Fission in the reactors produces heat, which is typically used to boil water. The steam powers a turbine, which drives a generator to produce electrical power. The power is put on the electrical power grid, where it is used by business, industrial and residential customers.
Thermocouples directly convert thermal into electrical energy by using two unlike alkaline metals and having them react. There are indirect conversions as well, such as coal and nuclear power plants. The coal is burned to boil water which then uses the steam to turn turbines. Nuclear power plants are similar, except they use a nuclear reaction to generate heat to boil water.
If you boil water long enough, all the water will evaporate. However, since you posted your question in the Homebrewing category, let's answer the question with that in mind. If you're making a 5-gallon batch, you can expect to lose at least a gallon during the 90-minute (or longer) boil. When I'm making five gallons, I don't actually boil the whole five gallons. I usually boil three to four gallons and then add enough sterilzed water after the boil to equal five gallons. This helps in the rapid cooling process, which is essential in causing the "cold break," an important step in beer making.
-- burn coal -- make heat -- transfer heat to water -- boil water -- blow steam through turbine -- turbine turns generator -- generator generates electrical power
it is about 200 degrees
to boil the water
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boil
Nuclear power plants use the heat from the radioactive decay of Uranium or other radioactive atoms to boil water and make steam to run electrical generators.
That's going to depend onthe temperature of the water when you start heating it, andhow fast you can transfer heat into it.