If in a reaction, copper is reduced; its number of electrons has:

Given the reaction shown below:Zn+HCl→ZnCl2+H2Zn+HCl→ZnCl2+H2Select the oxidizing agent: A. none B. ZnCl2 C. H2 D. Zn E. HCl

Single 1. As a chemical bond forms between 2 hydrogen atoms in a system, energy is released and the stability of the system Increases Decreases Remains the same 8. In a chemical reaction, as the species is oxidized, its oxidation number Decreases Increases Remains the same

14. Which of these process(s) correspond to reduction? 14. A. Gain of electrons B. Gain of hydrogen C. Loss of oxygen D. All of these E. None of these

In which two compounds does nitrogen have the same oxidation number? N₂O3 and HNO3 N₂O5 and HNO3 NO₂ and N₂03 N₂O4 and HNO2 HNO2 and NH3 A. B. C. D. E.