11 A n 8 g sample of oxygen atoms contains the same number of atoms as 16 g of element x. The question does not make sense. does it mean 11 g of A with 8 g Oxygen and 16 g X with 8 g Oxygen.
The answer is C, work. The reaction of the air/gas mixture being ignited produces energy which moves the piston up and down which turns the crankshaft.
