Multiple Choice
What is the value of the reaction quotient,Q,for the voltaic cell constructed from the following two half-reactions when the Zn2+ concentration is 0.0120 M and the Ag+ concentration is 1.27 M?
A) 9.45 × 10-3
B) 7.44 × 10-3
C) 106
D) 1.25 × 10-2
E) 134
Correct Answer:

Verified
Correct Answer:
Verified
Q39: The cell potential of the following cell
Q40: According to the following cell notation,which species
Q41: A strip of iron is placed in
Q42: Given:<br>Hg<sup>2+</sup>(aq)+ 2e<sup>-</sup> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2288/.jpg" alt="Given: Hg<sup>2+</sup>(aq)+ 2e<sup>-</sup>
Q43: When the following oxidation-reduction reaction in acidic
Q45: A cell consists of a magnesium electrode
Q46: For the cell reaction<br>2MnO<sub>4</sub><sup>-</sup> (aq)+ 5SO<sub>2</sub>(g)+ 2H<sub>2</sub>O(l)<sup>
Q47: A zinc-copper voltaic cell is represented as
Q48: The electrochemical reaction which powers a lead-acid
Q49: Given: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2288/.jpg" alt="Given: