What is the specific activity (in Bg/g) if 5.53 kg of an isotope emits 3.77 x...
A) What is the specific activity (in Ci/g) if 5.5 μg of an isotope emits 1.58x108 β- particles per minute? B) If 52 of the atoms of a radioactive isotope disintegrate each day, what is the decay constant of the process? Round answer to 4 decimal places
What is the specific activity (in Ci/g) if 3.2 μg of an isotope emits 7.91x108 β- particles per minute?
What is the specific activity (in Ci/g) if 8.0 ug of an isotope emits 4.68x108 B-particles per minute?
what is the specific activity (in Ci/g) of an isotope if 3.56 mg emits 4.26 x 10^8 beta particles per second?
What is the specific activity (in Bq/g) if 8.58 ug of an isotope emits 7.4x10 a particles per 5. minute? decav constant? 1.20x105 R narticlos in 1.00 vr what is the 135e omit e9 10-12
A 0.0116-g sample of a radioactive isotope with a half life of 1.3x109 years decays at the rate of 2.9x104 disintegrations per minute. Calculate the molar mass of the isotope. Enter your answer in scientific notation. (g/mol)
If 4.86 x 10-mol of 176W emits 1.07 x 1015B+ in 1.00 h, what is the decay constant? Enter your answer in scientific notation. 2.79 X 100 h-1
If 4.42 × 10−9 mol of 176W emits 1.07 × 10^15 β+ in 1.00 h, what is the decay constant? Enter your answer in scientific notation.
Review Problem 12.065 made by dis5olving 25.0 g of fructose in 1.00 kg of water. What is the molal concentration of fructose the solution? What is the mole A solution of fructose, CeH1206, a sugar found in many fruits, fraction f fructose in the solution? What is the mass percent of fructose the solution? What is the molarity of the fructose solution if the density the solution is 1.0078 g/mL? molality Enter your answer in scientific notation x 10 mole...
A 66.0-kg person exposed to 90sr absorbs 6.0 x 105 B particles, each with an energy of 8.74 x 10-14 J. How many grays does the person receive? Enter your answer in scientific notation. X 10 Gy