Paragraph: Few atomic masses are given ₉₂²³⁸ U =238.05079 u , ₂^4 He =4.00260 u , ₉₀²³⁴ Th =234.04363 u ₁^1 H =1.007834, ₉₁²³⁷ ~Pa =237.065121 u . Answer the following questions on the basis of above data. Question: Spontaneous emission of

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Paragraph: Few atomic masses are given ₉₂²³⁸ U =238.05079 u , ₂^4 He =4.00260 u , ₉₀²³⁴ Th =234.04363 u ₁^1 H =1.007834, ₉₁²³⁷ ~Pa =237.065121 u . Answer the following questions on the basis of above data. Question: Spontaneous emission of a proton from ₉₂²³⁸ U is

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Correct answer: B. impossible

If it emits proton spontaneously, the equation is not balanced in terms of atoms & mass number. ₉₂²³⁸ U ₉₁²³⁷ ~Pa + ₁^4 H m =(238.05079-237.065121-1.007834) u =-0.022165 u m is negative, so reaction is not spontaneous.

Paragraph: Few atomic masses are given ₉₂²³⁸ U =238.05079 u , ₂^4 He =4.00260 u , ₉₀²³⁴ Th =234.04363 u ₁^1 H =1.007834, ₉₁²³⁷ ~Pa =237.065121 u . Answer the following questions on the basis of above data. Question: Spontaneous emission of a proton from ₉₂²³⁸ U is

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