Chemistry Homework Help

Browse Homework Solutions

240 solutions

Cell Potential

Q. Using the standard reduction potentials, Pb2+(aq) + 2e– → Pb(s), E° = –0.13 V Fe2+(aq) + 2e– → Fe(s), E° = –0.44 V Zn2+(aq) + 2e– → Zn(s), E° = –0.76 V which metal will reduce Mn3+ to Mn2+ (E°red = +1.51 V) but will not reduce Cr3+ to Cr2+ (E°red = -0.40 V)

Solved • May 2, 2020

Cell Potential

Q. Calculate the Ecell of Al+ Pb^+2---->Al^+3+Pb

Solved • May 2, 2020

Cell Potential

Q. Calculate the equilibrium constant K for the following equation at 25oC (298 K). Br2(g) + Fe(s)---->2Br-1(aq) + Fe+2(aq)

Solved • May 2, 2020

Cell Potential

Q. Calculate the standard free energy for the delta Gnot equation at 25oC (298 K) and interpret the meaning of Delta Gnot. Pb(s) + 2Ag+1(aq) ------> Pb+2(aq) + 2Ag(s)

Solved • May 2, 2020

Cell Potential

Q. Write the half reaction for the following : calculate E naught cell and balance the half reactions Fe(s)+Mn^+2(aq)——->

Solved • Apr 30, 2020

Cell Potential

Q. Using any Table of Standard Reduction Potentials available Prove mathematically that the following reactions are or are not, spontaneous as written under STANDARD conditions. (Hint find Eo cell)

Solved • Apr 29, 2020

Cell Potential

Q. Using any Table of Standard Reduction Potentials available (Textbook or online source) prove mathematically that the reactions are or are not, spontaneous as written under STANDARD conditions. (Hint find Eo cell)

Solved • Apr 29, 2020