When stated as a percentage, the useful energy transferred by a device divided by the total energy supplied to the device is known as the device's what one word completes the sentence?

answer: 802.3 kilo joules of energy represents 191.75 kilo calorie of energy.

explanation:

energy released during combustion of one mole methane = 802.3 kilo joules

if 1 kilo joule = 0.239006   kilo calorie

then ,802.3 kilo joule will be = 802.30.239006 kilo calorie

802.3 kilo joule = 191.75 kilo calorie

hence, the energy in kilo calorie is 191.75 kilo calorie.

there are no contact forces mentioned on the list of choices that you've provided.

inverse v=i*r

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