Find the half life of radioactive iodine
Radioactive iodine , 131I which is frequently used in tracer studies involving the thyroid gland, decays according to N= N0 (0.5) t/8 , where N0 is the initial dose and t is the time in days. Find the half life of 131I .
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How much heat in kilojoules is evolved in converting 36.0 g steam at 180 degrees C. to ice at -60 degrees C. (heat capacity of steam is 1.184 J/g-c & ice is 2.09 J/g-c, the heat vaporization is 40.7 kj/mole and heat fusion is 6.02 kj/mole.)
How much ice in grams would have to melt to lower the temperature to 468 ml of water from 39 degrees C. to 2 degrees C. (Assume the density of water is 1.00 g/ml, the heat of fusion for water at 0 degrees C. is 6.02 kj/mole)
How would you prepare a liter of "carbonate buffer" at a pH of10.10? you are provided with H2CO3, NaHCO3, and Na2CO3.
A proton has an initial speed of 4.9 x 105 m/s. (a) What potential difference is required to bring the proton to rest?
Electrolysis of molten MgCl2 is the finalproduction step in the isolation of magnesium from seawater.Assuming that 37.8 g Mg metal forms, calculate the following.
An archer puts a 0.30-kg arrow to the bowstring. An average force of 201 N is exerted to draw the string back 1.3 m. Assuming that all the energy goes into the arrow, with what speed does the arrow leave the bow?
A solution of acetic acid,HC2H3O2, on a laboratory shelf wasof undetermined concentration. If the pH of the solution was found to be 2.81, what was the original concentration of the acetic acid?
a) What is the velocity of the block after it leaves the spring but before it gets to the incline? b) How far up the incline (along the hypotenuse of the triangle) does the block travel?
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How can statistical analysis be applied to evaluate the effectiveness of different healthcare treatments in improving patient recovery rates?
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Question: Which of the following is an accurate descriptor of acute care?