Question

In: Chemistry

1. When the following equation is balanced properly under acidic conditions (balance under acidic condtions), what...

1. When the following equation is balanced properly under acidic conditions (balance under acidic condtions), what are the coefficients of the species shown?

SO42- + Mn2+>SO2 + MnO4-

Water appears in the balanced equation as a  (reactant, product, neither) with a coefficient of . (Enter 0 for neither.)

How many electrons are transferred in this reaction?

2. When the following equation is balanced properly under basic conditions, what are the coefficients of the species shown?

Br-+  Cl2 >  Cl-+  Br2

Water appears in the balanced equation as a  (reactant, product, neither) with a coefficient of . (Enter 0 for neither.)

Which element is oxidized?

3. Use the standard reduction potentials located in the 'Tables' linked above to calculate the standard free energy change in kJ for the reaction:

Zn2+(aq) + 2Fe2+(aq)> Zn(s) + 2Fe3+(aq)
Answer: ___ kJ

K for this reaction would be _greater or less_ than one.

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