A new coal-burning power plant can generate 1.1 gigawatts (billion watts) of pow

Question

A new coal-burning power plant can generate 1.1 gigawatts (billion watts) of power. Burning 1 kilogram of coal yields about 447 kilowatt-hours of energy. Complete parts (a), (b), and (c) below. How much energy, in kilowatt-hours, can the plant generate each month? The plant can generate million kilowatt-hours of energy each month (Type an integer.) How much coal, in kilograms, is needed by this power plant each month? The plant needs million kilograms of coal each month. (Round to one decimal place as needed.) If a typical home uses 993 kilowatts-hours per month, how many homes can this power plant supply with energy? This power plant can supply homes with energy. (Round to the nearest whole number.)

Explanation / Answer

1 kg of coal burns 447 killowatt -hours of energy

a) Plant can generate = 1. 1*10^6 *30*24 kilowatt- hr = 792 million killowatt- hours

b) Coal required = 792 million killowatt- hours/ 447 lkilowatt -hours = 1.77 = 1.8 million kg

c) each hopuse cosnumes 993 klilowat -hrs

So, No. of houses to which plant can supply = 792/993 = 797583 houses

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