The isotope of plutonium 238 pu. Part 1 of 2 (a) If the half-life of 238 Pu is 87.7 yr, write a function of the form Q(t)=Qoekt to model the quantity Q (t) of 238 Pu left after t years. Round the value of k to five decimal places. Do not round intermediate calculations. Q(t)=4e Part: 1/2 238 Pu is used to make thermoelectric power sources for spacecraft. Suppose that a space probe was launched in 2012 with 4.0 kg of Part 2 of 2 -0.0079 t 238 b) If 1.4 kg of "Pu is required to power the spacecraft's data transmitter, for how long after launch would scientists be able to receive data? Round to the nearest year. Do not round intermediate calculations. Scientists will be able to receive data for approximately yr.
The isotope of plutonium 238 pu. Part 1 of 2 (a) If the half-life of 238 Pu is 87.7 yr, write a function of the form Q(t)=Qoekt to model the quantity Q (t) of 238 Pu left after t years. Round the value of k to five decimal places. Do not round intermediate calculations. Q(t)=4e Part: 1/2 238 Pu is used to make thermoelectric power sources for spacecraft. Suppose that a space probe was launched in 2012 with 4.0 kg of Part 2 of 2 -0.0079 t 238 b) If 1.4 kg of "Pu is required to power the spacecraft's data transmitter, for how long after launch would scientists be able to receive data? Round to the nearest year. Do not round intermediate calculations. Scientists will be able to receive data for approximately yr.
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter25: Nuclear Chemistry
Section: Chapter Questions
Problem 52GQ
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Question
![238,
The isotope of plutonium Pu is used to make thermoelectric power sources for spacecraft. Suppose that a space probe was launched in 2012 with 4.0 kg of
238 pu.
Part 1 of 2
(a) If the half-life of
k to five decimal places. Do not round intermediate calculations.
Q(t) = 4e
Part: 1/2
-kt
238 Pu is 87.7 yr, write a function of the form Q(t)=Qe to model the quantity Q (t) of 238 Pu left after t years. Round the value of
Part 2 of 2
-0.0079t
238
If 1.4 kg of Pu is required to power the spacecraft's data transmitter, for how long after launch would scientists be able to receive data? Round to
the nearest year. Do not round intermediate calculations.
Scientists will be able to receive data for approximately
yr.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1da2b7e6-ff1f-4d03-afb3-6b710fedc971%2F4cb83bc4-d563-46b5-ac2a-b0a3c6e3215c%2F1xsxsxr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:238,
The isotope of plutonium Pu is used to make thermoelectric power sources for spacecraft. Suppose that a space probe was launched in 2012 with 4.0 kg of
238 pu.
Part 1 of 2
(a) If the half-life of
k to five decimal places. Do not round intermediate calculations.
Q(t) = 4e
Part: 1/2
-kt
238 Pu is 87.7 yr, write a function of the form Q(t)=Qe to model the quantity Q (t) of 238 Pu left after t years. Round the value of
Part 2 of 2
-0.0079t
238
If 1.4 kg of Pu is required to power the spacecraft's data transmitter, for how long after launch would scientists be able to receive data? Round to
the nearest year. Do not round intermediate calculations.
Scientists will be able to receive data for approximately
yr.
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