1. When the following equation is balanced properly under basic
conditions, what are the coefficients of the species shown?
__N2H4 +
__Cl2>__N2
+ __Cl-
Water appears in the balanced equation as a (reactant,
product, neither) with a coefficient of ___. (Enter 0 for
neither.)
Which element is oxidized?
___
2. Use the standard reduction potentials located in the 'Tables' linked above to calculate the standard free energy change in kJ for the reaction:
2Cr3+(aq)
+
Zn(s)>2Cr2+(aq)
+ Zn2+(aq)
Answer: ___ kJ
K for this reaction would be __greater or less__ than one.
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