Isotopic analysis of copper reveals that 24.50% of copper atoms contain 36 neutrons, whereas 75.50% of copper atoms have 34 neutrons. What is the average atomic mass of copper?

Determine the energy released per kilogram of fuel used. given mev per reaction, calculate energy in joules per kilogram of reactants. consider 1 mole of tritium plus 1 mole of deuterium to be a mole of “reactions” (total molar mass = 5 grams).

What must happen before a body cell can begin mitotic cell division

Based on the equation and the information in the table, what is the enthalpy of the reaction?