The following half-reactions occur in the mercury battery used in calculators. If E°cell = 1.357 V, calculate the equilibrium constant for the cell reaction at 25°C. (Assume the stoichiometric coefficients in the cell reaction are all equal to 1.) HgO(s) + H2O(l) + 2e-
Hg(l) + 2OH-(aq)
ZnO(s) + H2O(l) + 2e-
Zn(s) + 2OH-(aq)
A) 9.4 × 1022
B) 7.5 × 1045
C) 6.4 × 1063
D) 7.8 × 1091
E) > 9.9 × 1099
Correct Answer:
Verified
Q47: Which one of the following statements relating
Q48: A concentration cell consists of two Al/Al3+electrodes.
Q49: A voltaic cell consists of a Hg/Hg22+
Q52: A voltaic cell consists of a Mn/Mn2+
Q53: A voltaic cell consists of a Cd/Cd2+
Q55: What is the value of the equilibrium
Q56: Consider the non-aqueous cell reaction 2Na(l)
Q73: Which, if any, of the following metals
Q80: A voltaic cell consists of a Ag/Ag+
Q82: A battery that cannot be recharged is
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents