A wooden artifact is found to have a carbon-14 activity of 8.2 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.

Use the standard reduction potentials to calculate

periodic table of the elements.pdf

For each of the following unstable isotopes, determine the most-likely mode of nuclear decay (other than gamma radiation): Pd-113  [iso1] Bk-247 [iso2] La-120 [iso3]

When a Voltaic Cell has Ecell = 0,  What can be said about the value of Q?

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

What are the correct half-reactions for the following Voltaic cell:

What does 2N refer to in cells?

What type of cell does this picture represent?

At what stage do you first see that crossing over has occurred?