If a car burns one gallon of gasoline (C8H18) in a standard combustion reaction, how much water is produced? Gasoline weighs 2.75 kg per gallon.

Question

Quizplus · Accepted Answer

If one gallon of gasoline is burned, 3.91 kg of water will be produced. The general equation for combustion of gasoline is C8H18 + 12.5O? ? 9CO? + 9H?O. It needs to be recognized that a combustion reaction uses oxygen and produces carbon dioxide and water. The mole ratio is 1:9 for gasoline to water. Gasoline is 114g/mol, so 2.75kg is 24 moles of gasoline. 24 x 9 x18g/mol = 3.91 kg of water produced.

If a Car Burns One Gallon of Gasoline (C8H18) in a Standard