posted 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?