Find the half life of `U^(238)`, if one gram of it emits `1.24xx10^4` `alpha`-particle per second. Avogadro's Number `=6.023xx10^(23)`.

Avogadro's number is 6.023xx 10 ^(-23) .

Find the half life of ""_(238)U if one gram of ""^(238)U emits 1.24 xx 10^4 alpha -particles per second. Avogardro No. = 6.025 xx 10^(23) .

Calculate half life of ^238 U if 1 gram of uraninum emits 1.23 xx 10^4 alpha particles per sec.

Total number of atoms per mole is 6.023 xx10^(23)

One gram atom of an element contains 6.023xx10^23 atoms.Define mole and Avogadro number.

Po^210 has half-life of 140 d. In 1g Po^210 how many disintegration will take place every second ? [Avogadro's number = 6.023xx10^23 ]

Calculate the energy released by the fission 1 g of .^(235)U in joule, given that the energy released per fission is 200 MeV . (Avogadro's number =6.023xx10^(23))

Calculate t_(1//2) for Am^(241) in years given that it emits 1.2 xx 10^(11) alpha -particles per gram per second

Calculate t_(3//2) for Am^(241) in years given that it emits 1.2 xx 10^(11) alpha -particles per gram per second