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siniylev [52]
3 years ago
14

what is a wavelength of radio wave that travels at the speed of light 3.0 x 10^8 m/s and has frequency of 200 megahertz (200 mil

lion hz)

Chemistry
1 answer:
Dimas [21]3 years ago
5 0

The answer is 0.15 m

Hope you can see the answer clearly...

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Which type of combination is a mixture?
DochEvi [55]

Answer:

C.  physical

Explanation:

A mixture is a physical combination. Mixtures are combinations of compounds and molecules without any chemical reaction taking place.

Mixtures have the following properties:

  • They have an indefinite composition i.e they consist of two or more elements and or compounds in any proportion by mass
  • Their constituents retains their identities i. e physical property is retained.
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8 0
3 years ago
When dipentyl ether is treated with HI, what type of reaction occurs? both SN1 and SN2 SN2 E1 SN1 E2
masha68 [24]

Answer:

SN2

Explanation:

The first step of ether cleavage is the protonation of the ether since ROH is a better leaving group than RO-.

The second step of the reaction may proceed by either SN1 or SN2 mechanism depending on the structure of the ether. Methyl and primary ethers react with HI by SN2 mechanism while tertiary ethers react with HI by SN1 mechanism. Secondary ethers react with HI by a mixture of both mechanisms.

Dipentyl ether is a primary ether hence when treated with HI, the reaction with HI proceeds by SN2 mechanism as explained above.

7 0
3 years ago
What is the hybridization of the central atom in NOCl
FinnZ [79.3K]

Answer:

NOCl structure has geometry of trigonal planar and N has sp2 hybridisation. N is the central atom because it is less electronegative than O atom and Cl cannot be the central atom because it only forms a single bond. So, the central atom of NOCl is N and its hybridisation

3 0
3 years ago
Though hydrochloric acid is formed inside our body, it is not called organic acid. Why?​
Sphinxa [80]

Explanation:

Hydrochloric acid does not consider as organic acid because of the absence of carbon in it.

hope it helps

6 0
3 years ago
Which of the electron transitions involves the most energy?
Anestetic [448]
From n=3 to n=1 
<span>according to extension of the Wavelength in electron transition from n=3 to n=1 </span>
3 0
3 years ago
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