The water used in this experiment is sparged with nitrogen to remove any dissolved oxygen. The...

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Chemistry

The water used in this experiment is sparged with nitrogen toremove any dissolved oxygen. The proton-coupled reduction of oxygenis shown in the following half reaction:
O2 + 4 H⁺ + 4 e^- = 2 H2O
a.Explain why sparging a solution with N2to remove dissolvedoxygen is an equilibrium process.
b.Using the half reaction above, write the balanced equation forthe reaction of ascorbic acid with oxygen. Show your work.
c.If you didnâ€™t know whether or not O2is capable of oxidizingascorbic acid, how would you determine this by consulting data?What data would you consult and what would you look for? (Simplytrying the reaction is not an acceptable answer.)

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3.6 Ratings (467 Votes)

a The sparging method is actually based on Henry LawAccording to Henry law thesolubility of a gas in liquid is proportional to the partial pressure of thegas in contact with liquidWhen sparging is done Nitrogen is introduced inthe liquid it formssmall bubbles When these See Answer

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