to remove one electron from mg requires a certain amount of energy. which of the following is the best statement concerning the amount of energy in removing a second electron from magnesium?

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

Arigid tank is divided into two equal parts by a partition. one part of the tank contains 3 kg of compressed liquid water at 400 kpa and 60°c while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. determine the entropy change of water during this process, if the final pressure in the tank is 40 kpa. use steam tables.