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Bismuth-208, which has an atomic mass of 208u and 83 protons in the nucleus, decays through the emission of 2 alpha particles and a beta-positive particle. What isotope results from this decay?

208 83 Bi ==> x y Z + 4 2 a + 4 2 a + 0 1 B x = 208 - 8 = 200 y = 83 - 5 = 78 Proton number = 78 therefore Z = Pt Z= 200 78 Pt
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Answered by Danny L. • Physics tutor
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During the redox reaction in glycolysis, which molecule acts as the oxidising agent?

The oxidation of glyceraldehyde 3-phosphate (G3P), a three-carbon sugar, yields energy. In this oxidation, electrons and H+ are transferred to NAD+, forming NADH, and a phosphate group is attached to the oxi...
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Answered by Daniel A. • Biology tutor
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Why is internal temperature regulation an important homeostasis?

Internal temperature of your body must be tighly controlled. The key processes of your body are driven by enzymatic activity and there is an optimal temperature at which these operate. If body temperature in...
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Answered by Archie I. • Biology tutor
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Integrate ((5x^3) + ((2x)^-1) + (e^2x))dx.

int(5x 3 + (2x) -1 + e 2x )dx =int(5x 3 )dx + int((2x) -1 )dx + int(e 2x )dx int(5x 3 )dx = (5/4)x 4 + c where c is the constant of integration int(2x -1 )dx = (1/2)ln(2x) + d where d is another constant of ...
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Answered by Danny L. • Maths tutor
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How did the Nazi party win the hearts and minds of the German population in the 1930s?

This question is very broad and there are many reasons for how the Nazi party were popular in Germany. Examples include their use of propaganda, most specifically their rhetoric of the 'volksgemeinschaft', m...
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Answered by George A. • History tutor
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