B- How many electrons does sodium have?

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?

Which example is a mechanical wave?     a.microwave    b.radio wave    c.water wave    d.ultraviolet light