Answer the following questions:?a)?Write the balanced chemical reaction for reaction of Cu with dilute Hid b)?Draw the shape of ClF 3?(11)?X has a boiling point of 4.2K lowest for any known substance.It is used as a divent is oxygen in modern diving apparatus.Identify the gas X?.Which property of this ga makes is usable as diluent??Why is the boiling point of the gas X'?so low?.