Identify the oxidizing agent in the following reaction Ag+(aq)   +  Al(s)  →  3Ag(s)  +  Al3+(aq)

Metal ions in aqueous solution behave as Lewis acids. From the table of following cations and radius, identify the metal ion that gives the highest acidity in an aqueous solution. Cation Radius, pm K+ 152 Na+ 116 Li+ 90

Which of the following unit is commonly used to describe the solubility of a substance?

Consider the following equation: Fe2O3(aq)  +  3CO(g)    →   2Fe(s)  +  3CO2(g) Identify the species (element or ion) that is acting as the oxidizing agent

Calculate the Ecell for the following reaction? Zn(s)  +  Fe2+(aq, 0.1 M)  ↔  Zn2+(aq, 1.9 M)  +  Fe(s) Use:  Zn2+(aq)  +  2e-  ↔  Zn(s)  Ecell = -0.76 V Fe2+(aq)  = 2e-  ↔  Fe(s)  Ecell = -0.447 V

A Ni-Cd battery powers electrical devices through the following reaction Cd(s)  +  NiO2(s)  +  2H2O(l)    →    Cd(OH)2(s)  +  Ni(OH)2(s) Identify the species (element or ion) that is getting reduced

Identify the correct statement for following reaction Zn(s)+  2Na+(aq) → Zn2+(aq)  +  2Na(s) Use: Zn2+(aq)  +  2e-  =  Zn(s)    Ecell = -0.76 V Na+(aq)  +  e-  =  Na(s)  Ecell = -2.71 V

Based on the Gibbs free energy you received for question (25), calculate the equilibrium constant for the reaction. Use ΔG = -RT ln K: Temperature 25 Celsius, R = 8.314 J / mol. K

The conditions necessary for a SHE is

Lewis acidity of a metal ion generally increases with