kyanlongmore kyanlongmore

01-03-2021
Chemistry

contestada

What is the half-life of Technetium-99 if a 200 gram sample decays to 50 grams in 639,000 years?

Respuesta :

ssatoshi686 ssatoshi686

09-03-2021

Answer:

The half-life of Th-232 is 1.4 ∙ 10¹⁰ years.

Answer Link

Otras preguntas

A summary should not sound the same or look the same as the original text. a. true b. false

Is this a sentence fragment? closed to visitors since the 1960s, the prehistoric cave paintings in lascaux, france, are between fifteen thousand and seventeen t

The nurse is caring for an alert 2-month-old child and assesses a sunken fontanelle. which action would be most appropriate for the nurse to take based on the a

After Raina's front teeth were pulled, she got a O A B C OD card. bracelet. retainer. balloon.

which of the following could be called the founder of Hinduism

The _____ is a message or thought that stays with your audience well after the communication is finished.

Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator. 20 min : 36 min

Based on what research have found, what advice would you have for a friend who was keeping a traumatic secret?

Do you think that starbucks has grown rapidly because of its ethical and socially responsible activities or because it provides products and an environment that

Consider the pedigree that follows for cutis laxa, a connective tissue disorder in which the skin hangs in loose folds. assuming that the trait is rare, what is