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3 years ago

What eventually happens to all radioactive isotopes?

Chemistry

1 answer:

Lelechka [254]3 years ago

5 0

Answer:

B. they emit particles electromagnetic radiation or both

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Answer: dependent

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3 years ago

How old is a fossil that has radioactively decayed through 4 half-lives of carbon-14?

gavmur [86]

Answer:

Carbon-14 has a half life of 5730 years. This means it takes 5730 years for half of the carbon-14 atoms to decay to carbon-12 in a given sample (eg: 100 carbon-14, one half life = 50 carbon-14, 50 carbon-12).

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3 years ago

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What is the smallest identifiable unit of a compound

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Answer:A(n) molecule that is made up of atoms that are chemically bonded is the smallest recognizable unit of a compound.

Explanation:

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4 years ago

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I wonder what avocado is made of

Alex17521 [72]

Answer:

The avocado consists of around 73% water, 15% fat, 8.5% carbohydrates — mostly fibers — and 2% protein. Half an avocado, at around 100 grams (g) contains 160 calories ( 1 ).

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3 years ago

The following reaction was carried out in a 3.00 L reaction vessel at 1100 K:

Nady [450]

Answer:

$Q=0.840$

Explanation:

Hello,

In this case, since the given undergoing chemical reaction is correctly balanced, the reaction quotient is computed as well as the equilibrium constant but in terms of the given concentrations that are:

$C_{C}=\frac{5.25mol}{3.00L} =1.75M\\C_{H_2O}=\frac{12.2mol}{3.00L} =4.07M\\C_{CO}=\frac{3.90mol}{3.00L}=1.30M\\C_{H_2}=\frac{7.90mol}{3.00L} =2.63M$

In such a way, the reaction quotient turns out:

$Q=\frac{C_{CO}C_{H_2}}{C_{H_2O}}=\frac{1.30M*2.63M}{4.07M}\\ Q=0.840$

Taking into account that carbon is not included since it is solid.

Best regards.

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3 years ago