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meriva
3 years ago
5

If light gave off 7.17 x 10^17 of energy what is its wavelength?

Chemistry
1 answer:
professor190 [17]3 years ago
7 0

Answer:

,mhmh

Explanation:

hghfhfh

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The atmospheric gases in the thermosphere are heated _____. Pick the best one.
lozanna [386]

by radiation from the Earth's surface

4 0
3 years ago
Read 2 more answers
6
Butoxors [25]

Answer:

the 6 stands for the atomic number

the 12.01 stands for the atomic mass

6 0
3 years ago
What is the emperical formula of a compound containing 40.1% carbon and 6.6% hydrogen​
levacccp [35]

Answer:

CH₂

Explanation:

Given parameters:

Percentage composition:

          Carbon  = 40.1%

          Hydrogen  = 6.6%

Unknown:

Empirical formula of the compound  = ?

Solution:

The empirical formula of a substance is its simplest formula.

 Elements                             Carbon                             Hydrogen

Percentage

Composition                           40.1                                     6.6

Molecular mass                        12                                         1

Number of moles                  40.1/12                                  6.6/1

                                                3.342                                    6.6

Divide through by

the smallest                         3.342/3.342                           6.6/3.342

                                                      1                                        2

So the empirical formula of the compound is CH₂

5 0
3 years ago
Photochemical chlorination of 1,2-dibromoethane gives a mixture of two stereoisomers of C2H3Br2Cl. Write their structural formul
Sever21 [200]

Answer:

Enantiomers

Chiral

Yes they will be formed in equal amount.

Explanation:

The Two possible stereo isomers are formed due to generation a chiral center in the molecule.

There will be a carbon with all the four groups different.

The two isomers will be called as enantiomers, which are non super-imposable mirror image of each other.

They are named as "R" or "S'" based on the selection rule.

The IUPAC names are also given in the figure.

The two isomers will be formed in equal amount as during photochemical chloriantion of a compound free radicals are generated (which are trigonal planar) and the other radical may attack from either side (front side or back side) giving the two stereo-isomers.

7 0
3 years ago
What element forms an ion with an electronic configuration of [Ne] and a –2 charge?
masha68 [24]
Oxygen has 8 electrons it takes 2 electrons to get config of neon and 2 electros mean -2 charge
7 0
3 years ago
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