Chem 162 Final Exam Correctly Answered Questions| UpToDate | Already Graded A+

When a redox reaction within a voltaic cell occurs under conditions in which _______, the greater concentration of reactants relative to products drives the reaction to the_______, resulting in ______. : Q<1, right, Ecell>E∘cell When a redox reaction within an electrochemical cell occurs under conditions in which_____, the greater concentration of products relative to reactants drives the reaction to the _____, resulting in _____. : Q>1, left, Ecell<E∘cell When a redox reaction reaches equilibrium______ The redox reaction has no tendency to occur in either direction and_____. : Q=K either direction, Ecell=0 When a redox reaction reaches equilibrium, Q=K. The redox reaction has no tendency to occur in either direction and Ecell=0. This last point explains why batteries do not last forever—as the______ are depleted, the reaction proceeds toward_______and the potential tends toward_____ 2 | P a g e : reactants, equilibrium, zero. the most inexpensive dry cell battery is composed of a ________ that acts as the____ : zinc case, anode Dry cell batteries in a ____, the zinc case acts as the anode, and a graphite rod immersed in a moist, slightly acidic paste of MNo2 and NH4Cl acts as the cathode : common dry cell battery Dry cell batteries the longer lived alkaline batteries employ a ______ immersed in a paste of ____ and a ____ : graphite cathode, MnO2, base Dry cell batteries in a common dry cell battery, the zinc case acts as the____, and a graphite rod immersed in a moist, slightly acidic paste of MNo2 and NH4Cl acts as the ______ : anode, cathode Dry cell batteries 3 | P a g e in a common dry cell battery, the ________acts as the anode, and a graphite rod immersed in a moist, slightly acidic paste of MNo2 and NH4Cl acts as the cathode : zinc case Dry cell batteries