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 ssatoshi686
  • 09-03-2021

Answer:

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

Answer Link

Otras preguntas

Solve the equations with steps 2c/(c-4)-2=4/c+5
Use the conversion factor 1 amu = 1.66054× 10–24 g to answer the following questions. a) 1.67 x 10-24 g of neurons is how many (amu)
When a grizzly bear hibernates, its heart rate drops to 10 beats per minute, which is 20%, percent of its normal value. What is a grizzly bear's normal heart ra
When a grizzly bear hibernates, its heart rate drops to 10 beats per minute, which is 20%, percent of its normal value. What is a grizzly bear's normal heart ra
What is half of 750
What is the completely factored form of 3x^2-12x-15
Which of the following describes a major difference between industrialization in Japan and the United States? a. Only the United States initially resisted indus
The purpose of a main idea is to meet standard publishing guidelines show what the overall story is about make readers spend more time analyzing give people som
why was the USS Maine sent to Cuba in 1898
Which goal was shared by both the populists and the progressives?