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Time (days) If the initial sample is 6.50 g, what mass of the original iridium-192 remains after 150 days? mass remaining: 1.625 Estimate the half-life of the radioisotope. days half-life: 70 ncorrect How many days would it take for two-thirds of the sample to decay? days time: 110.98

Time (days) If the initial sample is 6.50 g, what mass of the original iridium-192 remains after 150 days? mass remaining: 1.625 Estimate the half-life of the radioisotope. days half-life: 70 ncorrect How many days would it take for two-thirds of the sample to decay? days time: 110.98

Chemistry for Engineering Students
Chemistry for Engineering Students
3rd Edition
ISBN:9781285199023
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter14: Nuclear Chemistry
Section: Chapter Questions
Problem 14.66PAE
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Resources . Give Up? E Feedback Resume O Assignment Score: 81.19% O Attempt 1 < Question 25 of 25 Calculate the percent activity of the radioactive isotope strontium-89 remaining after five half-lives. activity: 6.25 Incorrect
Transcribed Image Text:Resources . Give Up? E Feedback Resume O Assignment Score: 81.19% O Attempt 1 < Question 25 of 25 Calculate the percent activity of the radioactive isotope strontium-89 remaining after five half-lives. activity: 6.25 Incorrect
O Resources Give Up? E Feedback Resume O Assignment Score: 81.1% O Attempt 1 < Question 24 of 25 > 10 20 30 90 100 1i0 120 130 140 150 160 170 180 190 40 50 60 70 80 Time (days) If the initial sample is 6.50 g, what mass of the original iridium-192 remains after 150 days? mass remaining: 1.625 Estimate the half-life of the radioisotope. days half-life: 70 Incorrect How many days would it take for two-thirds of the sample to decay? days time: 110.98 fncorrect
Transcribed Image Text:O Resources Give Up? E Feedback Resume O Assignment Score: 81.1% O Attempt 1 < Question 24 of 25 > 10 20 30 90 100 1i0 120 130 140 150 160 170 180 190 40 50 60 70 80 Time (days) If the initial sample is 6.50 g, what mass of the original iridium-192 remains after 150 days? mass remaining: 1.625 Estimate the half-life of the radioisotope. days half-life: 70 Incorrect How many days would it take for two-thirds of the sample to decay? days time: 110.98 fncorrect
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