Chemistry 112

Example Problems Integrating Material

The equation

Co3O4(s) + Co(s) → Co(OH)2(s) + CoO(s)

can be correctly balanced two different ways. Find the two correctly balanced equations. Which is chemically more reasonable? Answer

 

The Table of Standard Reduction Potentials gives a reduction potential of 0.771 V for the reduction of Fe3+(aq) to Fe2+(aq) under standard acidic conditions. What is the reduction potential under standard basic conditions? Answer

 

How much useful work can be obtained from 1 g of sucrose (C12H22O11) by oxidation with O2 at room temperature? What is the standard potential associated with this reaction? Answer