subject

Chemistry, 10.05.2021 17:50 firefightergros3547

750 million years ago, there was enough Uranium-235 present in Oklo, Gabon to have a natural fission reacton occur and generate a chain reaction. If there is currently 50kg of U-235 present in Oklo, how much must have been present 750 million years ago when the reaction took place? A) 50 kg B) 100 kg C) 200 kg D) 375 kg B 100kg because i put 50 and it was wrong.

ansver

Answers: 3

Show answers

Another question on Chemistry

question

Chemistry, 21.06.2019 16:00

What is the chemical formula of the following compound

Answers: 1

question

Chemistry, 22.06.2019 02:00

What is avogadro’s number, and why is it useful

Answers: 1

question

Chemistry, 22.06.2019 05:30

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

Answers: 2

question

Chemistry, 22.06.2019 23:30

Substance a is a nonpolar liquid and has only dispersion forces among its constituent particles. substance b is also a nonpolar liquid and has about the same magnitude of dispersion forces among its constituent particles. when substance a and b are combined, they spontaneously mix.

Answers: 1

You know the right answer?

750 million years ago, there was enough Uranium-235 present in Oklo, Gabon to have a natural fission...

Questions

question

English, 23.05.2020 08:59

What does the quote “He could feel it on his neck, still, like a hot paw” reveal about Mr. Hadley’s memory of the veldt (Paragraph 65)? (see paragraph...

question

History, 23.05.2020 08:59

Which side was more successful in the battles of the east during the early part of civil war...

question

Geography, 23.05.2020 08:59

How have mangrove trees adapted to their environment?...

question

Biology, 23.05.2020 08:59

What kinds of action could a government take during a pandemic?...

question

Mathematics, 23.05.2020 08:59

Eliminate the parameter from x(t)= t^2 +5 and y(t)=t^2 -4. Which of the following sketches results? A) Quadratic B) Square Root

question

Mathematics, 23.05.2020 08:59

Ssment 1/10 What can help you meet your budget while shopping for important items? Buying the item with the best features.

question

Chemistry, 23.05.2020 08:59

ASAP PLZ HELP!! The diagram shows the branching tree for four kingdoms and some of their shared derived characteristics. What chara...

question

Mathematics, 23.05.2020 08:59

What is the sum of the first 43 terms of the sequence? −235,−217,−199,−181,... Enter your answer in the box. S43=...

question

Mathematics, 23.05.2020 08:59

Which of the following occurs within the solution process for sqrt[3] 6x+3 = sqrt[3] 4x =0. both sides once both sides twice cubing both sides once cu...

question

Mathematics, 23.05.2020 08:59

Select all the correct answers. Which of these pairs of functions are inverse functions? f(x)=2^x-1 +1 and g(x)=log2(x-1)-1.

question

Spanish, 23.05.2020 08:59

Lee las frases que dice Ignacio en el presente de subjuntivo, luego escribe las frases con la forma del verbo en el imperfecto de subjuntivo.

question

Mathematics, 23.05.2020 08:59

NEED THIS TO GRADUATE I will give brainliest, please help, 15 points

question

History, 23.05.2020 08:59

Refer to the passage. "The defense policy of the United States is based on a simple premise: The United States does not start fights. We w...

question

Mathematics, 23.05.2020 08:59

Fred went to his local zoo that featured 22 bear exhibits. If these bear exhibits make up 55% of the zoo's exhibits, then how many exhibits does the z...

question

Health, 23.05.2020 08:59

In most situations, children diagnosed with otitis media should be observed first before being treated with antibiotics. a. T b. F ...

question

Biology, 23.05.2020 08:59

: The correct order of stages in primary succession of a volcanic island is...

question

Chemistry, 23.05.2020 08:59

What’s number 1 need help ASAP it’s pass due...

question

Mathematics, 23.05.2020 08:59

What is the following sum?...

question

English, 23.05.2020 09:00

Why does Mr. Dussel request thatMrs. Frank cut the New Year's cake? *...

question

History, 23.05.2020 09:00

Name three cities in the South that were totally destroyed by battles in the Civil War?...

More questions: Chemistry Another questions

Questions on the website: 13722363