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3 years ago

Why can electromagnetic radiation travel through empty space?

Chemistry

2 answers:

statuscvo [17]3 years ago

7 0

Answer:

hello

Explanation:

Electromagnetic waves are waves that can travel through matter or through empty space. ... However, when light travels in matter, it interacts with the atoms and molecules in the material and slows down. As a result, light travels fastest in empty space, and travels slowest in solids.

that's the summary

juin [17]3 years ago

6 0

Explanation:

Electromagnetic radiation is composed of electric and magnetic fields, altho most waves travle through mediums such as air or water witch take up space, lights medium takes up no space (electric and magnetic fields take up no space). saying that a magnetic field took up space would be like saying gravity took up space. When electric and magnetic fields interact in such a way they can start to oscillate and interact with each other to form light.

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Which of earths spheres contains most of its mass?

zysi [14]

The geosphere is about 99.94% of Earth's mass, so C is the answer.

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3 years ago

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We get 1700 Tonnes of Ammonia every day. How many tonnes of 63% Nitric acid we can get?

jeyben [28]

There are 3 equations involved in manufacturing Nitric Acid from Ammonia.

First the ammonia is oxidized:
4NH3 + 5O2 = 4NO + 6H2O

Then for the absorption of the nitrogen oxides.
2NO + O2 = N2O4

Lastly, the N2O4 is further oxidized into Nitric acid.
3N2O4 + 2H2O = 4HNO3 + 2NO

Then run stoichiometry through these equations.
The first equation produces roughly 271,722,938 grams of NO
The second equation produces roughly 416,606,944 grams of N2O4
The last equation produces roughly 380,412,294 grams of HNO3 (nitric acid)

Convert the exact number back into tons, and your answer is: <span>419.332775 tons.
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Rounded, I'm going to say that's 419.33 tons.
Hope this helps! :)

Also, it seems that commercially, Nitric Acid is commonly made by bubbling NO2 into water, rather than using ammonia.

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3 years ago

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avanturin [10]

The answer to your question is D!

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What are the Lewis definitions of an acid and a base? In what way are Bronsted definitions? they more general than the In terms

kati45 [8]

Explanation:

Lewis definition of Acids and Bases

Chemical species which are capable of accepting electron pairs or donating protons are called Lewis acid.

Chemical species which are capable of donating electron pairs or accepting protons are called Lewis base.

Bronsted definition of acids and bases

Chemical species which are capable of donating H+ are called Bronsted acids.

Chemical species which are capable of accepting H+ are called Bronsted bases.

So all Bronsted acids are Lewis acids but all Lewis acids are not Bronsted acids.

For a chemical species to behave as Lewis acid, they must have:

Incomplete octet
Double bond
Vacant d-orbitals

For example, in BF3, octet of boron is incomplete, so it can accept a pair of electron and behaves as Lewis acid.

For a chemical species to behave as Lewis base, they must have:

lone pair of electrons

For example, NH3 and OH, both N and O have lone pairs of electrons, hence behave as Lewis base.

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3 years ago

Which of the following statements is correct regarding the speed and velocity of an object? A. An object’s speed is determined b

Natalija [7]

Answer:

Explanation:

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