Balance the following chemical equation, then answer the following question. C8H18(g)+O2(g)→CO2(g)+H2O(g) How many grams of oxygen are required to react with 19.0 grams of octane (C8H18) in the combustion of octane in gasoline?

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )

c. 4.54 x 10–12 j happens to be correct