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Semenov [28]
2 years ago
11

According to Le Chatelier's principle, increasing the pressure of the system shown below will shift equilibrium to the left (tow

ards reactants).N2 (g) + 3H2 (g) = 2NH3 (g)
True or False
Chemistry
1 answer:
Fantom [35]2 years ago
8 0
False
(Increasing the pressure shift equilibrium to the right).
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2,6 -dimetil nonano<br> 4 etil-2,2dimetil-4-propo:0ctano
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Answer:

it will be 26 %t _4

Explanation:

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2 years ago
The electron in a hydrogen atom, originally in level n = 8, undergoes a transition to a lower level by emitting a photon of wave
timofeeve [1]

Explanation:

It is given that,

The electron in a hydrogen atom, originally in level n = 8, undergoes a transition to a lower level by emitting a photon of wavelength 3745 nm. It means that,

n_i=8

\lambda=3745\ nm

The amount of energy change during the transition is given by :

\Delta E=R_H[\dfrac{1}{n_f^2}-\dfrac{1}{n_i^2}]

And

\dfrac{hc}{\lambda}=R_H[\dfrac{1}{n_f^2}-\dfrac{1}{n_i^2}]

Plugging all the values we get :

\dfrac{6.63\times 10^{-34}\times 3\times 10^8}{3745\times 10^{-9}}=2.179\times 10^{-18}[\dfrac{1}{n_f^2}-\dfrac{1}{8^2}]\\\\\dfrac{5.31\times 10^{-20}}{2.179\times 10^{-18}}=[\dfrac{1}{n_f^2}-\dfrac{1}{8^2}]\\\\0.0243=[\dfrac{1}{n_f^2}-\dfrac{1}{64}]\\\\0.0243+\dfrac{1}{64}=\dfrac{1}{n_f^2}\\\\0.039925=\dfrac{1}{n_f^2}\\\\n_f^2=25\\\\n_f=5

So, the final level of the electron is 5.

4 0
3 years ago
What is the nuclear charge of a berrylium atom?
ICE Princess25 [194]

Answer:

The charge on the nucleus of an atom; controlled by the number of protons and electrons present in an atom.

Explanation:

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7 would be correct because I divide it

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What are two factors that affect an objects kinetic energy
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Potential energy and height; best guess;)
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