Chemistry
Chemistry, 23.04.2021 20:20, EllaLovesAnime

g Uranium, an important component of both nuclear weapons and nuclearreactors, has two major isotopes, U-238, which has a half-life of approximately 4.5 billion years, and U-235, which has a half-life of approximately 700 million years. Both were present in equal amounts at the time of thecreation of the Earth, billion years ago. How many years after the creationof the Earth had the amount of radiation from uranium decayed to half theamount present at the time of the creation of the Earth

answer
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 00:30, amaliathornton22
Microtubular fibers that assist in the movement of chromosomes during nuclear division in conjunction with proteins, makes up the small and large organelle pieces that assemble prior to translation three-base nucleotide sequence that can complementarily pair with the functional transcript, allowing a particular material to be brought to a ribosome particular time in the cell cycle when the cell’s systems determine if the cellular conditions are appropriate to continue through the cycle time in the cell’s cycle when proteins are made and organelles are duplicated enzyme that allows proper nucleotide bonding during transcription specific dna sequence which will initiate gene transcription division of the cell’s cytoplasm specific bond that forms between two amino acids when a carboxyl group binds to a amino group three-base sequence that does not code for a particular amino acid a paired organelle which facilitates the formation of movement microtubules time in the cell’s cycle when the microtubular structures exert an equal pressure on the cell’s genetic material
Answers: 2
image
Chemistry, 22.06.2019 04:00, nothingworksoutforme
The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed
Answers: 1
image
Chemistry, 22.06.2019 09:00, 2024cynthiatercero
Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology
Answers: 3
image
Chemistry, 22.06.2019 15:00, makaylajones74pdxtrk
What is the most important factor in determining climates.
Answers: 1
Do you know the correct answer?
g Uranium, an important component of both nuclear weapons and nuclearreactors, has two major isotope...

Questions in other subjects:

Konu
Mathematics, 03.09.2020 20:01
Konu
English, 03.09.2020 20:01
Konu
Chemistry, 03.09.2020 20:01