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weqwewe [10]
2 years ago
13

If you start with 64g of a radioactive element how many half-lives would occur before 8g remain?

Chemistry
1 answer:
Nonamiya [84]2 years ago
3 0

Answer:

3 half-lives

Explanation:

The half-life is the time that it takes to a radioactive element to decay to half of its initial amount.

Let's suppose we start with 64 g of the radioactive element.

  • After 1 half-life, the mass of the element will be 32 g.
  • After 2 half-lives, the mass of the element will be 16 g.
  • After 3 half-lives, the mass of the element will be 8 g.
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  • The range is 0 to 14, with 7 representing neutrality.
  • Acidity is indicated by pH values below 7, whereas baseness is shown by pH values above 7.
  • In reality, pH is a measurement of the proportion of free hydrogen and hydroxyl ions in water.

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  • We may observe that there is no response when two acids of the same strength are combined.
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<h3>How is pH value determined?</h3>

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2 years ago
Rank the following aqueous solutions from highest to lowest freezing point: 0.1 m FeCl3, 0.30 m glucose (C6H12O6), 0.15 m CaCl2.
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Explanation: See images below for explanation

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What do atoms form when they bond chemically?
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Calculate the number of kg in 7.66 x 10-5 Gigagrams.
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Answer:

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