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 oxidized

During a redox reaction

Identify the missing particle in the following nuclear reaction   23992U  + 42He → _____ +10n

Embalming practices do not vary from country to country so viewing is rarely a problem when human remains are received from other countries.

A process in which a very heavy nucleus splits into more stable nuclei of intermediate mass is called

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