Física·Galicia·2010·ExtraordinariaEjercicio3Opción B1 puntoCuestiones¿Cuál de las siguientes reacciones nucleares es correcta?a)X92235X2922235U+X01X2021n→X56141X2562141Ba+X3692X236292Kr+3 X01X2021n\ce{^{235}_{92}U + ^{1}_{0}n -> ^{141}_{56}Ba + ^{92}_{36}Kr + 3 ^{1}_{0}n}X92235X2922235U+X01X2021nX56141X2562141Ba+X3692X236292Kr+3X01X2021nb)X12X2122H+X13X2123H→X24X2224He+2 X01X2021n\ce{^{2}_{1}H + ^{3}_{1}H -> ^{4}_{2}He + 2 ^{1}_{0}n}X12X2122H+X13X2123HX24X2224He+2X01X2021nc)X510X25210B+X01X2021n→X37X2327Li+X12X2122H\ce{^{10}_{5}B + ^{1}_{0}n -> ^{7}_{3}Li + ^{2}_{1}H}X510X25210B+X01X2021nX37X2327Li+X12X2122H
a)X92235X2922235U+X01X2021n→X56141X2562141Ba+X3692X236292Kr+3 X01X2021n\ce{^{235}_{92}U + ^{1}_{0}n -> ^{141}_{56}Ba + ^{92}_{36}Kr + 3 ^{1}_{0}n}X92235X2922235U+X01X2021nX56141X2562141Ba+X3692X236292Kr+3X01X2021n
b)X12X2122H+X13X2123H→X24X2224He+2 X01X2021n\ce{^{2}_{1}H + ^{3}_{1}H -> ^{4}_{2}He + 2 ^{1}_{0}n}X12X2122H+X13X2123HX24X2224He+2X01X2021n
c)X510X25210B+X01X2021n→X37X2327Li+X12X2122H\ce{^{10}_{5}B + ^{1}_{0}n -> ^{7}_{3}Li + ^{2}_{1}H}X510X25210B+X01X2021nX37X2327Li+X12X2122H
