2Ca+O2 =2CaO Write balanced half reactions describing the oxidation and reduction that occurs

Balance the following half-reactions by adding the appropriate number of electrons (e-). Then, classify each reaction as an oxidation or reduction half-reaction. Note that for each of the four reactions, one of the gray boxes will be left blank and the other will be filled with electron(s). Use the symbol e- to represent an electron. Part 4 + 12(s) + 6H2O(1) > 2I0-3 + 12H+(aq) + --

What is reduced in this reaction? Cu(s) + 2A9NO3(aq) → 2Ag(s) + Cu(NO3)2(aq)

Write balanced half-reactions for the following redox reaction: 2+ NO3(aq) +H₂O(1)+Cu (aq) NO₂(g)+2 OH¯(aq) + Cu²+ (aq) reduction: oxidation: ロ→ロ X Ś ?

Consider the reaction shown, which occurs in aqueous solutions: NO2^-1 + Al (s) --> NH3 + Al(OH)4^-1 Identify the species reduced: Identify the species oxidized: Identify the reducing agent: Identify the oxidizing agent: The balanced reduction half-reaction:  The balanced oxidation half-reaction: Overall balanced redox reaction:

Is the following an oxidation or a reduction reaction? N 2 O 4 ->NO

The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced REDUCTION half reaction. Cu+ + Pb2+Pb + Cu2+       Reactants   Products

An aqueous solution of NaCl was electrolyzed with a current of 2.50 amps for 15.0 minutes. What volume (in mL) of 0.500 M HCl would be required to neutralize the resulting solution? (Hint: H2 is produced at the cathode and Cl2 at the anode.)

For the reaction   KClO4⟶KCl+2O2 assign oxidation numbers to each element on each side of the equation.

Write balanced half-reactions for the following redox reaction: H₂ AsO 4(aq) + 8 H* (aq) + 8 Cu* (aq) reduction: oxidation: 2+ AsH₂(g) + 4H₂O(l) +8 Cu²+ (aq)