drewdean5545
30.07.2020 •
Chemistry
Where does the half-reaction below occur in an electrochemical cell?
Fe(s) → Fe2+(aq) + 2e
O A. Anode
B. Salt bridge
C. Cathode
O D. Both electrodes
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Ответ:
Explanation:
In this demonstration or class experiment, students observe an endothermic reaction between solid hydrated barium hydroxide and solid ammonium chloride. The reaction produces a liquid that evolves into ammonia gas, with a dramatic drop in temperature to about –20 °C