The half life of carbon 14 is 5730 years what fraction of the original c14 would you expect to be present in a fossil that is 28650 yeas old

Which type of chemical bond accounts for the high electrical conductivity in a bar of pure silver (ag) ?

A reversible reaction has a forward rate constant of 0.412 mol/L/s and a reverse reaction rate constant of 0.827 mol/L/s. What's the equilibrium constant for this reaction?

The transfer of heat that occurs when energy moves from molecules to molecule is called

What is the value of 100°C on the Kelvin scale

The extent of a compound's dissolving is based on the thermodynamic quantities of enthalpy and entropy. The enthalpy of dissolving depends on the - Choose ...

vanadium has an atomic mass of 50.9415 amu. it has two common isotopes. one isotopes has a mass of 50.9440 amu and a relative abundance of 99.75%.

Which of the following could a magnet float over? A. A network solid B. A molecular solid C. A semiconductor D. A superconductor

What are genes a part of?

What is the mass (in grams) of 8.45 x 1023 molecules of dextrose: C6H12O6 (Mw. 180.16 g/mol) ?

How do the number and kind of atoms in the reactants compare to the number and kind of atoms in the products