abriannamanson abriannamanson
  • 11-10-2022
  • History
contestada

If X decays into Y, and X has a half-life of 10 years. If a substance has 25 atoms of X and
75 atoms of Y, approximately how old is it?

Respuesta :

Otras preguntas

What did Robert E. Lee, Stonewall Jackson, and Jeb Stuart have in common?
A tax levied on inherited money is known as a/an _______ tax.
The impacts of large asteroids on earth are inferred to be associated with 1) Free oxygen entering Earth's atmosphere 2) Seafloor spreading 3) The creation of
Morphology is arbitrary rather than systematic. True False
Which short story element does Poe develop in the excerpt?
During which lunar phase is the moon’s far side entirely lit?
What did the Second Industrial Revolution combine? a. Evolutionary and Revolutionary socialism c. Bourgeoisie and proletariat b. Subways and streetcars d. Indus
Read the excerpt from Ralph Waldo Emerson’s "Self-Reliance." These are the voices which we hear in solitude, but they grow faint and inaudible as we enter into
what represents the equal number of parts that equal a whole in a fraction.
What kind of material help to cleanse ground water through the exchange of compounds and elements?