Reactions. 1  Copper metal dissolves in nitric acid (HNO 3). 2  Actually, the nitrate ion oxidizes the copper metal to copper (II) ion while itself being transformed to NO 2 gas in the process; the copper (II) ion then binds to six water molecules.
Elaine C. Duke Sworn In As Deputy Secretary For The Department Of Homeland Security. Elaine C. Duke was sworn in today as the seventh Deputy Secretary of the Department of Homeland Security, following her confirmation by the U.S. Senate. In this capacity, she will serve as the chief operating officer for the Department.
to the position of Assistant Secretary for Policy Development in the. of Homeland Security (DHS): Arif comes from Los Angeles Mayor Antonio R. Villaraigosa's office, where he served as Deputy Mayor for Homeland Security and Public Safety. As a key adviser to the Mayor, he has led the City s efforts to develop homeland security, emergency management and law enforcement initiatives, including operational oversight of. Police, Fire and Emergency Management departments.