What is the energy of matter in motion? potential chemical kinetic electromagnetic

Sara is creating an experiment. her hypothesis states the following. if i increase the air in my tires, then i will get better gas mileage. if this is her hypothesis what column titles do we need in our date table? a. air pressure in tire (psi) and gas mileage (mph) b. air pressure in the atmosphere (psi) and gas mileage (mph) c. miles (m) and gallons per mile (g) d. old battery and new battery

How to tell if a molecule is polar or nonpolar with electronegativity

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?