The pressure at the surface of the ocean is one atmosphere. Assuming the density of ocean water is the same as pure water, how deep (in meters) does a diver need to go for the pressure to increase to two atmospheres? Use 4 significant figures in your answer.

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.

Elements that have one valence electron and are very reactive are called

What happens to the electrostatic force between two charged particles if the distance between them is doubled?