Select the statement below that are true. Choose one or more: CCl2F2 is less polar than CBr2F2. CBr2F2 is less polar than CCl2F2. PH3 is less polar than NH3. NH3 is less polar than PH3.

Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth

How do you know when a chemical reaction has occurred