Question: 4. For the following reactions, write a balanced equation using half-reactions and calculate the voltage to be expected. ( 2 marks each) a. Sodium and

4. For the following reactions, write a balanced equation using half-reactions and calculate the voltage to be expected. ( 2 marks each) a. Sodium and water to produce sodium ions, hydroxide ions and hydrogen. b. Silver and hydrogen ions to produce silver ions and hydrogen gas

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