5. A family is traveling using three different modes of transportation. Seven of them travel in a large recreational vehicle, two in a car, and one on a motorbike. They start from the same place, travel at the same speed, and reach the final destination at the same time. *

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound