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.
By Robert Longley. Jeh Charles Johnson (his first name is pronounced âJayâ) has been confirmed by the Senate to be the nationâs fourth Secretary of the Department of Homeland Security. He was nominated by President Barack Obama in October 2013, and was confirmed by the Senate on December 16, 2013 in a vote of 78-16.