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3 years ago

Which of the following statements about nuclear reactions is true?

Chemistry

2 answers:

zalisa [80]3 years ago

8 0

<span>They follow the law of conservation of energy only </span>statements about nuclear reactions is true.

Nesterboy [21]3 years ago

5 0

Answer:

They follow the law of conservation of energy only

Explanation:

Nuclear reaction produces large amount of energy. They are of two types --

Fission nuclear reaction

Fusion nuclear reaction

Since energy is associated with nuclear reaction, it must follow universal law of conservation of energy.

Law of conservation states that we cannot create energy from anywhere and also we cannot destroy energy. It can only be transferred from one energy form into another energy form.

In the nuclear reaction, energy is obtained from the collisions of the different atoms such as uranium or helium atom, etc.

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Is water the only liquid? If not, name 5 more

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Answer:

Is water the only liquid? If not, name 5 more

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water is not the only liquid.

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3 years ago

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It gives the number of protons in the nucleus of each atom of that element.

Explanation:

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2 years ago

What is Avogadro's number and mole?

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Answer:

one hundred (100).....

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3 years ago

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According to the theory of plate tectonics,

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3 years ago

How many moles of helium are 8.84×1024 atoms of He?

insens350 [35]

Answer:

14.68 moles of He

Explanation:

To do this, just remember Avogadro's Constant or Avogadro's number. This constant tells us how many units ( in this case atoms) there are in a mole of ANY type of substance.

Avogadro's constant is 6.022140857 × 10²³ units per mole.

Now that we know how many atoms there are in 1 mole, we can use this as our conversion factor.

8.84 x 10²⁴ atoms of He → moles of He

$8.84\times10^{24} atoms of He\times\dfrac{1moleofHe}{6.022140857\times10^{23}atomsofHe}=14.68molesofHe$

So the answer would be:

14.68 moles of He

4 0

2 years ago