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The B.E of ""_(10)Ne^(20) is 160.6 MeV. Find its atomic mass. The rest mass of proton =1.007825 a.m.u. and that of neutron =1.008665 a.m.u : |
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Answer» 9.6243 a.m.u. `=(7.27 xx 1.6 xx 10^(-19) xx 10^(6))/(3) xx n` `=4 xx 10^(21) xx 10^(6)("given")` `n=1.03163 xx 10^(40)` mass of helium atoms burnt/sec `=1.03163 xx 10^(40) xx 6.9 xx 10^(-27)kg` `=7.1 xx 10^(13)kg` |
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