In a battery, the following two oxidation-reduction reactions are taking place: rxn A: Zn + 2 OH- ? ZnO + H2O + 2e- rxn B: 2 MnO2 + H2O + 2e- ? Mn2O3 + 2 OH- What is undergoing oxidation?
A) Zn
B) ZnO
C) MnO2
D) H2O
E) OH-
A
Environmental & Atmospheric Sciences
You might also like to view...
A class of landforms formed by the accumulation of glacial till are known as
A) drift. B) alluvium. C) outwash. D) moraines.
Environmental & Atmospheric Sciences
World food production has been increasing faster than population
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Ideally, when forcible entry is used, what should fire fighters do before leaving the scene?
a. make the occupant aware of the unsecured openings b. bring the matter to the attention of the LE personnel c. take steps to secure the building d. photograph and document the damage
Environmental & Atmospheric Sciences
Stream gages directly measure the ________ of streams
A) velocity B) capacity C) competence D) cross-sectional area E) height
Environmental & Atmospheric Sciences