For this question, answer it on your work paper. In the box below, type “complete” when finished. Make sure to show all of your work A 0.125-M solution of Mn(NO3)2 is saturated with H2S ([H2S] = 0.10 M). At what pH does MnS begin to precipitate? MnS(s) ⇌ Mn2+(aq) + S2−(aq)                                 Ksp=4.3×10−22 H2S(aq) + 2H2O(l)  ⇌ 2H3O+(aq) + S2−(aq)                K=1.0×10−26

Iodine is the reducing agent in the following balanced redox reaction: I2 (s) + 5 Cu2+ (aq) + 6 H2O (l) → 2 IO3- (aq) + 5 Cu (s) + 12 H+ (aq)

For this question, answer it on your work paper. In the box below, type “complete” when finished. Make sure to show all of your work Consider the voltaic cell that uses the following reaction: Zn (s) + Pb2+ (aq) → Zn2+ (aq) + Pb (s) Calculate the cell potential (Ecell) when [Pb2+] = 2.54 M and [Zn2+] = 0.157 M

Iodine is the reducing agent in the following balanced redox reaction: I2 (s) + 5 Cu2+ (aq) + 6 H2O (l) → 2 IO3- (aq) + 5 Cu (s) + 12 H+ (aq)

Using the standard reduction potentials document, calculate the cell potential at 25 °C for the following voltaic cell: Cd (s) | Cd2+ (aq) || Sn2+ (aq) | Sn (s)

Consider the following balanced redox reaction: Cr2O72- (aq) + 6 I- (aq) + 14 H+ (aq) → 2 Cr3+ (aq) + 3 I2 (s) + 7 H2O (l) Which element was reduced during this reaction?

Translate: They play in the park.  (mixed group)

Translate: I am eating at the restaurant.

Translate: I am working at the supermarket.               at = en

Translate: The gym is to the left of the pharmacy.             to the left of = a la izquierda de