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nignag [31]
3 years ago
6

Which of the following excited state electron configurations of C would require the longest wavelength of light to produce?

Chemistry
1 answer:
Arturiano [62]3 years ago
3 0
PPSPSPPSPSPSPSPSPPSPSPSPAPSPSPPSPAPPAPA
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How many moles of carbon are in 25 grams of carbon
Brut [27]

Answer:

One mole of carbon would look like 25/12.01

Explanation:

Firstly, you will divide 25 by 12.01 and get 2.081598  

We know 1 mole equals the gram per atomic mass,  so one mole of carbon is 12.01 grams. In conclusion, it would look like 25/12.01.

4 0
3 years ago
Calculate the frequency
Ber [7]
Given: wavelength of Nitrogen laser (∧) = 337.1 nm = 337.1 X 10^-9 m

We know that, Energy of photon (E) = hc/∧ = hv
where, v = frequency of photon and c = speed of light = 3 X 10^8 m/s

Thus, v = c/∧ = (3 X 10^8)/ (337.1 X 10^-9) = 8.899 X 10^14 s-1.

Answer: F<span>requency of nitrogen laser = </span>8.899 X 10^14 s-1.
3 0
3 years ago
Read 2 more answers
Finely ground nickel (II) hydroxide is placed in a beaker of water. It sinks to the bottom of the beaker and remains unchanged.
Luden [163]

Explanation:

Acid-base reaction will give salt and water.

The 2nd option is correct.

6 0
3 years ago
the formula for solid Cobalt II chloride is CoCl2 6H2O. what is the name given to compounds such as this, which have water as pa
ser-zykov [4K]
<span>This type of salt is called a hydrated salt. This specific salt is called Cobalt (II) chloride hexahydrate. Hydrated salts is a salt has a number of water molecules associated with the ions in its crystalline structure.</span>
4 0
3 years ago
What is the change in energy ?e of the hydrogen atom as the electron makes the transition from the n=3 energy level to the n=1 e
Contact [7]
The change in energy is is  known as work-energy
5 0
3 years ago
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