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.
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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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