Write down a balanced nuclear reaction for the decay
Iodine-131 decays by the beta emission and has a half-life of 8.1 days, it is used to treat thyroid cancer. 1. Write down a balanced nuclear reaction for the decay of iodine-131. 2. Determine the activity of a 2.5-mg sample of the isotope?
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Analyze the effect of the structure of the alkyl halide on SN1 and SN2 reactivity and also compare the simple secondary, primary and the tertiary alkyl halides.
Determine the frequency in Megahertz of the incoming photon if you hit the surface of copper with a photon of energy and find out that the ejected electron has a wavelength of 1.8 NM.
Octane has a vapor pressure of 13.95 torrat 25 C and a vapor pressure of 144.78 torr at 75 C. Gasoline is a mixture of hydrocarbons, a major component of which is octane.
Determine the pH at the equivalence point in the titration which is having 50mLof .13M methylamine with a .26M HCl solution. Kb=4.3x10^-4
Iodine-131 decays by the beta emission and has a half-life of 8.1 days, it is used to treat thyroid cancer. Write down a balanced nuclear reaction for the decay of iodine-131.
Analysis from charcoal in the cave gave 12.0 disintegrations/min/g of carbon. The remains of an ancient cave were unearthed. Analysis of a tree cut down when the cave was unearthed showed 15.3 disintegrations/min/g of carbon.
Moe is lecturing Larry and Curly once again claiming he is twice as smart as Larry and 3 times as smart as Curly. If he is right and sum of their IQs is 165, find IQ of every stooge?
The products of the bombardment are cerium-144, rubidium-89, beta particles, and more neutrons. Determine the fission reaction in which the U-235 is bombarded by neutrons.
Determine amount invested at every rate if the interest earned after I yr is $760 and amount invested at 9% is equal to sum of amounts invested at 5% and 7%.
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