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Write an equation of an alpha emission f...

Write an equation of an alpha emission from `U_(92)^(238)`

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To write the equation for the alpha emission from Uranium-238, we will follow these steps: ### Step 1: Identify the Initial Nucleus The initial nucleus is Uranium-238, which can be represented as: \[ ^{238}_{92}U \] ...
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Calculate the number of neutrons in the remaining atoms after the emission of an alpha particle from ._(92)U^(238) atom.

Complete the equation for the following fission process ._92 U^235 ._0 n^1 rarr ._38 Sr^90 +.... .

After the emission of alpha -particle from the atom X_92^238 , the number of neutrons in the atom will be

(a) On analysis a sample of uranium ore was found to contain 0.277g of ._(82)Pb^(206) and 1.667g of ._(92)U^(238) . The half life period of U^(238) is 4.51xx10^(9) year. If all the lead were assumed to have come from decay of ._(92)U^(238) , What is the age of earth? (b) An ore of ._(92)U^(238) is found to contain ._(92)U^(238) and ._(82)Pb^(206) in the weight ratio of 1: 0.1 The half-life period of ._(92)U^(238) is 4.5xx10^(9) year. Calculate the age of ore.

Consider the fission ._(92)U^(238) by fast neutrons. In one fission event, no neutrons are emitted and the final stable and products, after the beta decay of the primary fragments are ._(58)Ce^(140) and ._(44)Ru^(99) . Calculate Q for this fission process, The relevant atomic and particle masses are: m(._(92)U^(238))=238.05079u, m(._(58)Ce^(140))=139.90543 u, m(._(34)Ru^(99))=98.90594 u

Give one example each of (a)alpha- emission, (b)beta^(c-)- emission, and (c)K- capture. Write an equation for these nuclear changes.

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By using the following atomic masses : ._(92)^(238)U = 238.05079u . ._(2)^(4)He = 4.00260u, ._(90)^(234)Th = 234.04363u . ._(1)^(1)H = 1.007834, ._(91)^(237)Pa = 237.065121u (i) Calculate the energy released during the alpha- decay of ._(92)^(238)U . (ii) Show that ._(92)^(238)U cannot spontaneously emit a proton.

What may be the new neutron and proton ratio after a nuclide ._(92)U^(238) loses an alpha -particles?

How many alpha and beta particles are emitted when uranium ._(92)^(238)U decays to lead ._(82)^(206)Pb ?

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