Ng) A student prepares a calibration graph by measuring the absorbances of Cuso
solutions
of known concentrations.
A particulate drawing of a single Cu²+ ion is shown in the following box. Draw two H, O
molecules in the box to show the most likely orientation of H,0 molecules around the
Cu²+ ion.
Cu2+
Water Molecule

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .