Asked by nicky

the combustionof 1.0g of gasoline realises 11kcal of heat (Density of gasoline=0.74g/ml)

a)how many megajoules are realised when 1.0 gallon of gasoline burns?

b)when a color TV is on for 2 hours 300KJ are used. How long can a color TV runon the energy from 1.0 gallon of gasoline?
Answered by DrBob222
Convert 1.0 gallon gasoline to grams, then to kcal heat on combustion, then to joules and megajoules.
b)2hours x (kJ from part a/300) = ??
Answered by Anonymous
Not a clue
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