The bond enthalpy of the oxygen-oxygen bond in o2 is 498 kj/mol. based on the enthalpy of the reaction represented above, what is the average bond enthalpy, in kj/mol, of an oxygen-oxygen bond in o3?

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .

so she was walking and she stepped on warm jeffy , uh uh uhh dadye i just pooped my pants