27
practice examMultiple Choice

Practice Exam

Question 27 • Chemistry

What is the final, balanced equation that is formed by combining these two half reactions? Cu rightarrow Cu raised to the 2 plus power plus 2 e raised to the negative power NO sub 3 raised to the negative plus 2 power e raised to the negative plus 2 power cap h raised to the plus right arrow NO sub 2 raised to the negative plus cap h power 2 cap o power

Answer
A
Cu raised to the 2 plus power plus NO sub 3 raised to the negative plus 4 power e raised to the negative plus 2 power cap h raised to the plus right arrow Cu plus NO sub 2 raised to the negative plus cap h power 2 cap o power
B
Cu plus NO sub 3 raised to the negative plus 2 power cap h raised to the plus right arrow Cu raised to the 2 plus power plus NO sub 2 raised to the negative plus 2 power cap h sub 2 cap o power
C
Cu plus NO sub 3 raised to the negative plus 2 power cap h raised to the plus right arrow Cu raised to the 2 plus power plus NO sub 2 raised to the negative plus cap h power 2 cap o power
D
2 Cu plus NO sub 3 raised to the negative plus 2 power cap h raised to the plus right arrow 2 Cu raised to the 2 plus power plus NO sub 2 raised to the negative plus cap h power 2 cap o power
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