yiyilynn yiyilynn

10-11-2022
Chemistry

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How many joules of energy will be saved by using LED bulb rated at 7.4 watts instead
of a 60 watts incandescent bulb over a 6.5 hour period?
Hint: find the energy use for each of them, then find the difference)
1 kilowatt-hour (kWh) = 3.6 x 106 joules (J)

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