Ethanol (c2h5oh) is currently blended with gasoline as an automobile fuel. calculate the heat produced per liter of ethanol by combustion of ethanol under constant pressure. ethanol has a density of 0.789 g/ml.

Is this a scientific model? use complete sentences to explain why or why not. a graphic organizer showing the water cycle

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1