if you are given the empirical formula for a compound, what additional piece of information about the compound do you need to know in order to determine the molecular formula?

What is the study of how matter and energy interact? a. biology b. physics c. planetary science d. chemistry

Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water

Compare and contrast physical changes with chemical changes.