Use c8h18 as the formula for gasoline and 0.71g/ml as its density. if a car gets 31.2 miles per gallon, what volume of co2 measured at 28°c and 732 torr is produced on a trip of 235 miles? assume complete combustion of gasoline.

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.