Question 15 (1 point) Longer problem Consider the following redox reaction: Ca(s) + Ni2+ (aq) +...
Consider the following reaction and its AG at 25.00 °C. Mg(s) + Ni2+ (aq) Mg2+ (aq) + Ni(s) AG = -408.0 kJ/mol Calculate the standard cell potential, Ecell for the reaction. 2.11 V Enter numeric value Calculate the equilibrium constant, K, for the reaction. K= 3.30 x1071 Incorrect
Consider the following reaction and its AGⓇ at 25 °C. Mg(s) + Ni2+(aq) — Mg2+(aq) + Ni(s) AG° = -408.0 kJ/mol Calculate the standard cell potential, Ecell, for the reaction. Fo Celi Calculate the equilibrium constant, K, for the reaction.
Consider the following reaction and its AGⓇ at 25.00 °C. Mg(s) + Ni2+ (aq) + Mg2+(aq) + Ni(s) AG° = -408.0 kJ/mol Calculate the standard cell potential, Ecell, for the reaction. Begin = 2.11 Cell Calculate the equilibrium constant, K, for the reaction. K K = =
1) Given the reaction Cd(s)+Ni2+(aq)------>Cd2+(aq)+Ni(s) Calculate the equilibrium constant (K). Ecell of +0.350 V and at 25.0 celsius 2)If 75.0mL of 0.195 M Hbr is combined with 75.0mL of 195M Ca(OH)2 at 25.0 celsius calculate the pH of this solution
6. Consider a voltaic cell based on the following cell reaction: Ni(s) + At2(s) ? Ni2+(aq) + 2At– (aq) Given that the standard cell emf is 0.55 V, what is the standard reduction potential for astatine? [E°(Ni2+/Ni) = –0.25 V]
Use standard reduction potentials to calculate the equilibrium constant for the reaction: Ca²+ (aq) + Ni(s) —Cd(s) + Ni2+(aq) Hint: Carry at least 5 significant figures during intermediate calculations to avoid round off error when taking the antilogarithm. Equilibrium constant: AGº for this reaction would be than zero.
Step 1: Determine whether or not each redox reaction occurs spontaneously in the forward direction using only the relative postion of the half reactions on table 18.1. (No numbers in this step.) Step 2: Then, calculate the voltage of each of the reactions. (a) Ca2+(aq) + Zn(s) Ca(s) + Zn2+(aq) (b) 2Ag+(aq) + Ni(s) 2Ag(s) + Ni2+(aq) (c) Fe(s) + Mn2+ Fe2+(aq) Mn(s)
Al3 (aq) + Ni(s). 3. Consider the unbalanced reaction Al(s)+ Ni2 (aq) > a. write balanced cathode half reaction b. write the balanced anode half reaction C. Write the balanced overall reaction d. Calculate E。, the cell potential. Is the reaction spontaneous as written? e Calculate Eolf [AP ] = 4.00 M, [Ni2+] = 2.00 x 10-5 M.
Use standard reduction potentials to calculate the equilibrium constant for the reaction: Ni2+(aq) + 2(aq)—Ni(s) + 12(5) Hint: Carry at least 5 significant figures during intermediate calculations to avoid round off error when taking the antilogarithm. Equilibrium constant: AGº for this reaction would be than zero.
Consider the following reaction at 298K. Pb2+ (aq) + Ni (s) → Pb (s) + Ni2+ (aq) Which of the following statements are correct? Choose all that apply. OK 1 delta Gº > 0 n= 5 mol electrons The reaction is product-favored. Eºcell > 0 Submit Answer Retry Entire Group 9 more group attempts remaining