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Katen [24]
3 years ago
14

If you were to start with 20 g of this isotope, how much would be left after 800 days? Show your work

Chemistry
1 answer:
Karo-lina-s [1.5K]3 years ago
5 0

Answer:

ftgbehnyfjmh

Explanation:

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Nitrogen is expressed with this formula:

N_{2} which means that every nitrogen molecules is composed of two atoms.


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Why are the offspring produced by sexual reproduction different than their parents?
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Answer:

Offspring inherit different amounts of DNA from both their parents?

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3 0
4 years ago
What is the need for and purpose of government
andriy [413]
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4 0
4 years ago
Food labels list the amount of carbohydrates, fats, and proteins, but not nucleic acids. why not
garri49 [273]
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3 0
4 years ago
What is hydroxide ion concentration, [OH-], in a 1.37 x 10^-5 M solution of barium hydroxide (Ba(OH)2)?
Olegator [25]
Ba(OH)₂ is a strong base, therefore completely ionises in the solution as follows
Ba(OH)₂ --> Ba²⁺ + 2OH⁻
1 mol of Ba(OH)₂ gives out 2 mol of OH⁻
therefore number of OH⁻ moles are twice the amount of Ba(OH)₂ moles in the solution
hence,
[OH⁻] = 2[Ba(OH)₂]
therefore hydroxide ion concentration = 2 x 1.37 x 10⁻⁵ M
[OH⁻] = 2.74 x 10⁻⁵ M
coefficient = 2.74
exponent = -5
7 0
3 years ago
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