When 0.002 mol of a metal X was reacted with an excess of dilute acid, 48 cm of hydrogen was given off measured at room temperature and pressure. Which one of thefollowing is the correct equation for the reaction?

a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.

they are all solids.