Reference no: EM13694312

Question- Q1) Nickel is electroplated from a NiSO 4 solution onto a copper sheet. How many grams of nickel will be deposited if a 2.5 A current runs for 30 minutes? How would your calculations differ if th e substance deposited were silver from a AgNO 3 solution? For the following two questions, see the following pages for steps to balance redox reactions using the half - cell method .

Q2) For the following unbalanced chemical equation, show the two half - cell reactions, and balance the equation: KMnO 4 (aq) + KBr(aq) + H 2 SO 4 (aq) ? MnSO 4 (aq) + Br 2 (l) + K 2 SO 4 (aq) + H 2 O(l)

Q3) For the following unbalanced net ionic reactions, add H + ions and water, or OH - ions and water as indicated a nd as needed. Show the two half - cell reactions for each. Zn(s) + NO 3 - (aq) ? ? Zn +2 (aq) + N 2 (g) (acidic solution) Cl 2 (aq) + S 2 O 3 - 2 (aq) ? Cl - (aq) + SO 4 - 2 (aq) (basic solution)

Should reply all parts for five stars answer all three questions and provide required steps