76% T-Mobile Wi-Fi F 11:12 PM session masteringphysics.com C Principles of Physi

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76% T-Mobile Wi-Fi F 11:12 PM session masteringphysics.com C Principles of Physics Spring 2017 The radioactive hydrogen isotope H, called tritium, has a half life of 12 years. Part A What is the decay mode of tritium? Subm My Answers Give Up Part B What is the daughter nucleus of tritium? O 'He Answers Give Up Submit Part C What is the lifetime of tritum? Express your answer with the appropriate units. Submit My Answers Give Up Part D What is the decay rate of tritium? Express your answer with the appropriate units. r 3.66.10 4 s Submit My Answers Give up incorrect: Try Again 4 attempts remaining

Explanation / Answer

decay constant = ln2 / half life

half life = 12 years

= 12 x 365 x 24 x 3600 s

= 3.784 x 10^8 sec

decay constant = ln2 / (3.784 x 10^8)

= 1.832 x 10^-9 s^-1

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