Matt drops a thing (6 kg) from a height (20 m) what is the maximum velocity it will reach just before it hits the ground?

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

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.