0
The energy density of coal can also be expressed in kilowatt-hours for some unit of mass, the units that electricity is most commonly sold in, to estimate how much coal is required to power electrical appliances. One kilowatt-hour is 3.6 MJ, so the energy density of coal is 6.67 kW·h/kg. The typical thermodynamic efficiency of coal power plants is about 30%, so of the 6.67 kW·h of energy per kilogram of coal, 30% of that-2.0 kW·h/kg-can successfully be turned into electricity; the rest is waste heat. So coal power plants obtain approximately 2.0 kW·h per kilogram of burned coal.
I copied it from wiki page
see the same for clear view
http://en.wikipedia.org/wiki/Coal
regards
Raghs
Wiki User
∙ 15y ago
Add your answer:
Earn +20 pts
How much carbon does coal fired electricity plants produce?
65% about Cheers M
How much eletricity do coal power stations produce?
In the US, 49 percent of total production of electricity
How much electricity does coal fired power plant produce?
A coal fired station burns coal to produce heat. The heat boils water to produce high pressure and temperature steam. The steam expands in a turbine to rotate the shaft. The turbines rotation drives a generator. The generator produces electricity which is sent out to the consumers. . I hope this helped, believe me i am a proffesional scientist
How much power do coal power plants produce?
In the US, about 50% of total electricity, but it varies from one country to another.
Coal mining in decline?
Coal mining ended due to- heath and safety reasons, Sales went down a lot in 1980's coal has been replaced with gas and electricity so it is not needed as much!
How much does it cost to make electricity from coal?
That very much depends on the cost of the coal. Question has no answer
What level of electricity is needed to kill an eel?
I found tons of answers on how much they can produce, but none on how much they can take. Does anyone know this?
How much coal does it take to light a continuously operating 100 watt light bulb for 1 year?
1 year has 8766 hours, therefore a 100 watt bulb uses up 0.1 x 8766 units of electricity, that is 876.6 units. If coal was burnt to produce the energy, about 250 kg of coal (550 pounds) would be needed.
How much electricity can heat produce?
As much as you want, as long as you keep supplying heat. That's exactly how electricity is produced in nuclear power plants, and in the ones that burn stuff, like oil, coal, natural gas etc.
How much carbon dioxide is produced from 1 MWh of electricity that is generated by coal?
1 tonne of coal produce 1.83 tonnes of carbon dioxide when burned 1 tonne of coal generates 2.4 MWhours 0.416 tonne of coal generates 1 MWh 0.416 tonne of coal times 1.83 tonnes of CO2/tonne of coal = 0.7625 tonnes of CO2 are produced from 1 MWh of electricity generated by coal
How much more electricity does biomass energy generate than coal?
I am pretty sure that LESS electricity is generated with biomass, meaning that its use is not as common as coal.
What is renewable alternative to coal?
You can use many different things. some examples are: Bio-Fuel (still in development) Wind (not as reliable as coal) solar (doesn't produce as much energy as coal) hydro (doesn't produce as much energy as coal)
