If the mass of a sample of radioactive thallium-206 decays from 94.3 micrograms to 34.5 micrograms...
CHEMWORK A certain radioactive nuclide has a half life of 1.00 hour(s). Calculate the rate constant for this nuclide. s-1 Calculate the decay rate for 1.000 mole of this nuclide. | decays s-1 Submit Show Hints Submit Answer Try Another Version 10 item attempts remaining
These questions are about radioactive half-life.
22. 256 grams of a radioactive sample decays to 4 grams in 120
minutes. What is the half life of the sample?
These questions are about radioactive half-life 22. 256 grams of a radioactive sample decays to 4 grams in 120 minutes. What is the half life of the sample? 22.
These questions are about radioactive half-life.
22. 256 grams of a radioactive sample decays to 4 grams in 120
minutes. What is the half life of the sample?
These questions are about radioactive half-life. 22. 256 grams of a radioactive sample decays to 4 grams in 120 minutes. What is the half life of the 22. sample?
Radioactive Decay - Half-life and Activity 1 Radioactive decay - Half-life Time 0 1000 21 31 750 N 1.000.000 500,000 250,000 125,000 62,500 31.250 15.625 7813 3.506 1.953 977 51 6 500 7 BI . 101 250 125 0 tie 21.234.41516171819, 1012 Time in multiples of A radioactive sample's half-life is 30.2 years. 1 year = 365 days, 1 day = 24 hours, 1 hour - 60 minutes, 1 minute = 60 seconds (a) Find its decay constant in year...
Consider a pure sample of a radioactive isotope with a mass number of 52. If the sample has mass of 33 micrograms and the isotope has a half-life of 27.5 x106 years, determine the decay rate for the sample. Give your answer in decays/secondand with 3 significant figures.
Consider a pure sample of a radioactive isotope with a mass number of 46. If the sample has mass of 25.0 micrograms and the isotope has a half-life of 8.50x106 years, determine the decay rate for the sample. Give your answer in decays/secondand with 3 significant figures. Please show your work! I would like to understand the process. Thank you! Answer i think is in the range of 300-600 decay/sec It is not anything that is x10^...
please help with b-d!
*10-19-1 A radioactive sample's half-life is 30.2 years 1 year - 365 days, 1 day - 24 hours, 1 hour 60 minutes, 1 minute - 60 seconds (a) Find its decay constant in year 1. Keep 4 decimal places. 0.6229 Correct (100,0%) Submit Find its decay constant in sl. Write the result in terms of 10 10,9 Keep 4 decimal places. 7.2764 Correct (100.0 Submit Case 1: The Initial sample is 3.30 kg. (b) What is...
Tritium, 31H, is a radioactive nucleus of hydrogen. It decays by beta emission with a 1/2 life of 12.3 years. What is the decay constant in (in/s)? What is the activity (in Ci) of a sample containing 2.5 micrograms of tritium? The atomic mass of 31H is 3.02 amu.
Question 18 0 out of 1 points A radioactive isotope decays with a half-life of 8.02 minutes. If a sample of the isotope initially contains 5.00 g, what mass remains after 6.01 minutes? Selected Answer. 3.13 g Answers 2.979 1.139 1.87 g 3.139
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)