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One of the half-reactions for the
Chapter 18, Problem 18.51(choose chapter or problem)
One of the half-reactions for the electrolysis of water is 2H2O (l) O2(g) 1 4H1(aq) 1 4e2 If 0.076 L of O2 is collected at 25C and 755 mmHg,how many moles of electrons had to pass through thesolution?
Questions & Answers
QUESTION:
One of the half-reactions for the electrolysis of water is 2H2O (l) O2(g) 1 4H1(aq) 1 4e2 If 0.076 L of O2 is collected at 25C and 755 mmHg,how many moles of electrons had to pass through thesolution?
ANSWER:Step 1 of 3
Ionic compounds are broken down to create their respective elements when an electric current passes through a solution. This process is termed as electrolysis. The cations get reduced at the cathode, and anions get oxidized at the anode in electrolysis.
The components needed for performing electrolysis include electrodes, an electrolyte and an external power source. A partition like an ion-exchange membrane or salt-bridge is utilized in some cases.