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3 years ago

Why is the half-life of a radioisotope important for radioactive dating?

Chemistry

2 answers:

makkiz [27]3 years ago

6 0

The half-life forms a type of clock used to calculate time passed

noname [10]3 years ago

4 0

Answer:

The time an unstable nuclei takes to decay is called the half-life of a radioactive isotope.

The half-life of a radioisotope is important in radioactive dating because it can be used to calculate the age of fossils by measuring the carbon absorbed.

Explanation:

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Answer:

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Explanation:

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2 years ago

In the equation:

Ksenya-84 [330]

Answer:

B) 16 g

Explanation:

2H₂ + O₂ → 2H₂O

First we convert 4 moles of O₂ into moles of H₂, using the stoichiometric coefficients of the balanced reaction:

4 mol O₂ * $\frac{2molH_2}{1molO_2}$ = 8 mol H₂

Finally we convert 8 moles of H₂ into grams, using its molar mass:

8 mol H₂ * 2 g/mol = 16 g

Thus, the correct answer is option B).

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3 years ago

Two colorless solutions are mixed together bubbles form as the solution is stirred give to possible explanations for this result

Aleks [24]

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3 years ago

Name the process that changes matter into one or more new substances

Brums [2.3K]

Chemical change or process

6 0

3 years ago

What mass of hydrogen is required to react with 24.7 g of nitrogen?

yaroslaw [1]

Answer:

10.80 g of H2

Explanation:

As per the equation, let us calculate the mole ratio. N2+3H2→2NH3. As per the equation one mole of nitrogen

8 0

2 years ago