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Using the provided standard reduction potentials, calculate the standard emf, E°cell (in V to two decimal places), of an electro-chemical cells utilizing the following reactions:   2 I-(aq) + Zn2+(aq)

As the size of the atomic nucleus increases, which statement is true concerning the ratio between the number of neutrons and protons  in the nucleus? 

A wooden artifact is found to have a carbon-14 activity of 10.2 disintegrations per second.  Given that the carbon-14 activity of an equal mass of freshly cut wood is 15.2 disintegrations per second, determine the age of the artifact in years.  The half-life of carbon-14 is 5717 years.

A Voltaic (or Galvanic) cell utilizes a [drop1] chemical reaction to produce an electrical current.

Calculate the nuclear binding energy per nucleon (in J/nucleon) for Cadmium-101: Here are some useful mass in amu: Cd-101 atomic mass = 100.918586,    proton mass = 1.007276,    neutron mass = 1.008665 Hydrogen-1 mass = 1.007825  

Calculate the change in mass (in kg) when one mole of nonane is combusted.  The heat of combustion of nonane is -6125 kJ/mol.

Which nuclear decay radiation is the least penetrative?

Use the standard reduction potentials to calculate at 25°C for the reaction,

A wooden artifact is found to have a carbon-14 activity of 11.0 disintegrations per second.  Given that the carbon-14 activity of an equal mass of freshly cut wood is 15.2 disintegrations per second, determine the age of the artifact in years.  The half-life of carbon-14 is 5717 years.

Calculate the change in mass (in kg) when one mole of octane is combusted.  The heat of combustion of octane is -5470 kJ/mol.