Question

A 0.10-cm3 sample of a solution containing a radioactive nuclide (5.0 × 103 counts per minute per milliliter) is injected into a rat. Several minutes later 1.0 cm3 blood is removed. The blood shows 50. counts per minute of radioactivity. Calculate the volume of blood in the rat. Volume = mL

Answer 1

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A 2.52 L tank at 25 oC has a nitrogen partial pressure of 19.5 atm, with the remaining of the 17.5 atm pressure due to neon. What mass of nitrogen is in the tank?

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