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After recalcutlating it I got that answer. Do you know anything about radioactive and stable nuclides?

I feel like I shouldn't even be answering this question because I am only 18, but here are my two cents... I have only made love once, it was with a guy that I had true feelings for and he returned...

this is how I set it up~
23.1MeV/ particle=
(23.1×10^6 eV/particle)(1.602×10^-19 J/ 1eV)(kJ/1×10^3 J)( 6.02×10^23 particles/1 mole)

so should it be 1.602×10^-19?
With an answer of 2.23×10^3 kJ/mole

Do you have to do anything with the alpha particle?
Do you set it up like this?
23.1×10^6(1.602×10^-13)(6.02×10^23)/10^3

Don't have sex just because you feel left out. I did that and it hurts when a guy uses you just for sex. Start a relationship first, hold out as long as you can before having sex, then when you...

How do you determine if an element is radioactive or stable, i.e. 102/47 Ag and 109/47 Ag. Niether have a magic number so what do you do to determine which is radioactive.

So if you have an alpha particle accelerated to 23.1 MeV per particle. How do you convert it to find the energy in kJ/mole?