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3 years ago

Why is radon gas dangerous at high levels?

2 answers:

7 0

Radon gas causes cancer and is highly radioactive. Its a byproduct of radioactive decay from Uranium and is hard to impossible to detect through smell, or sight.

inessss [21]3 years ago

6 0

<h2>It emits alpha particles which damages tissues.</h2><h3>Explanation</h3>

The radon is the decay byproduct of radium which emits alpha rays to convert into the lead or polonium. The alpha particles have less penetration inside the cell than the beta particle or gamma rays and have the more dangerous effect than these other days. In the environment, the high presence of radon enters into the lungs through breathing and start to decay. In their decay, it emits alpha rays, which acts as the carcinogenic agent in the body.

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Nadusha1986 [10]

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Whats the difference between relative order and an absolute date.

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4 years ago

How many vibrational modes does ethanol have? Explain why.

Artyom0805 [142]

Answer:

The ethanol has 21 vibrational modes.

Explanation:

A molecule can show 3 types of motions: one external called translational and two internal called rotational and vibrational.

In order to calculate the vibrational modes of a molecule we need to know the degrees of freedom of this molecule, it means the number of variables that are involved in the movement of this particle.

If we know that atoms are three dimensional we will know that they have 3 coordinates expressed as 3N. But the atoms are bonded together so they can move not only in translational but also rotational and vibrational. So, the rotational move can be described in 3 axes and the other vibrational move can be described as

3N-5 for linear molecules

3N-6 For nonlinear molecules like ethanol

So using the formula for nonlinear molecules where N is the amount of atoms in the chemical formula, so ethanol has 9 atoms

3(9)-6= 21

Thus, ethanol has 21 vibrational modes.

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3 years ago

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4 years ago

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B)Balance the Chemical Equation for the reaction of calcium carbonate with hydrochloric acid:
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3 years ago