In 9,748 seconds, the number of radioactive nuclei decreases to 1/16 of the number present initially....
In 9,748 seconds, the number of radioactive nuclei decreases to 1/16 of the number present initially. What is the half-life (in s) of the material? Enter an integer.
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In 9,748 seconds, the number of radioactive nuclei decreases to
1/16 of the number present initially....
In 5,595 seconds, the number of radioactive nuclei decreases to 1/16 of the number present initially....
In 5,595 seconds, the number of radioactive nuclei decreases to 1/16 of the number present initially. What is the half-life (in s) of the material? Enter an integer.
a radioactive sample has a half life of 10s if 20,000 nuclei are present at t=10s...
a radioactive sample has a half life of 10s if 20,000 nuclei are present at t=10s how many nuclei will be there at t = 40 s
Two radioactive nuclei A and B are present in equal numbers to begin with. Three days...
Two radioactive nuclei A and B are present in equal numbers to begin with. Three days later, there are 4.28 times as many A nuclei as there are B nuclei. The half-life of species B is 2.08 days. Find the half-life of species A (in days).
Two radioactive nuclei A and B are present in equal numbers to begin with. Three days...
Two radioactive nuclei A and B are present in equal numbers to begin with. Three days later, there are 3.35 times as many A nuclei as there are B nuclei. The half-life of species B is 1.93 days. Find the half-life of species A (in days).
A radioactive sample contains two different types of radioactive nuclei: A, with half-life 9.0 days, and...
A radioactive sample contains two different types of radioactive nuclei: A, with half-life 9.0 days, and B, with half-life 18.0 days. Initially, the decay rate of the A-type nucleus is 256 times that of the B-type nucleus. 1) When will their decay rates be equal?
Radioactive Decay - Half-life and Activity 1 Radioactive decay - Half-life Time 0 1000 21 31...
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...
The half-life of the radioactive element unobtanium-43 is 10 seconds. If 176 grams of unobtanium-43 are...
The half-life of the radioactive element unobtanium-43 is 10 seconds. If 176 grams of unobtanium-43 are initially present, how many grams are present after 10 seconds? 20 seconds ? 30 seconds? 40 seconds? 50 seconds? The amount left after 10 seconds is grams The half-life of the radioactive element unobtanium-43 is 10 seconds. If 176 grams of unobtanium-43 are initially present, how many grams are present after 10 seconds? 20 seconds? 30 seconds? 40 seconds? 50 seconds? The amount left...
The number of unstable nuclei remaining after a time t 5.00 yr is N, and the...
The number of unstable nuclei remaining after a time t 5.00 yr is N, and the number present initially is N0. Find the ratio N/N0 for (a) (half-life 5730 yr), (b) (half-life 122.2 s; use t 1.00 h, since otherwise the answer is out of the range of your calculator), and (c) (half-life 12.33 yr).
please help with b-d! *10-19-1 A radioactive sample's half-life is 30.2 years 1 year - 365...
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...
(1 point) Radon is a radioactive gas with a half-life of 3.82 d. If there are...
(1 point) Radon is a radioactive gas with a half-life of 3.82 d. If there are initially 460 decays/s in a sample, how many radon nuclei are left after 3 d 7
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...
The half-life of the radioactive element unobtanium-43 is 10 seconds. If 176 grams of unobtanium-43 are initially present, how many grams are present after 10 seconds? 20 seconds ? 30 seconds? 40 seconds? 50 seconds? The amount left after 10 seconds is grams The half-life of the radioactive element unobtanium-43 is 10 seconds. If 176 grams of unobtanium-43 are initially present, how many grams are present after 10 seconds? 20 seconds? 30 seconds? 40 seconds? 50 seconds? The amount left...
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...
(1 point) Radon is a radioactive gas with a half-life of 3.82 d. If there are initially 460 decays/s in a sample, how many radon nuclei are left after 3 d 7
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