Zirconium (zr) has an average atomic mass of 91.22 amu and is made up of the isotopes 90zr, 91zr, 92zr, 94zr, and 96zr. the atom of which isotope has the greatest mass?

One or more substances changing into one or more substances is an example of a

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions.what elemental classification does oxygen belongto? done