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.

When the mercury level in a barometer decreases that atmospheric pressure has

What is the number of neutrons in an atom with atomic mass of 35

Calcium carbonate decomposes at high temperatures to give calcium oxide and carbon dioxide as shown below. caco3(s) cao(s) + co2(g) the kp for this reaction is 1.16 at 800°c. a 5.00 l vessel containing 10.0 g of caco3(s) was evacuated to remove the air, sealed, and then heated to 800°c. ignoring the volume occupied by the solid, what will be the mass of the solid in the vessel once equilibrium is reached?