In the balanced reaction below, what is the mole ratio comparing iron (fe) and oxygen gas (o2)? 4fe + 3o2 --> 2fe2o3 question options: 4: 2 1: 3 2: 3 4: 3

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.