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ruslelena [56]
3 years ago
15

In 1938, Otto Hahn and Fritz Strassman discovered that uranium nuclei could spit and form smaller nuclei, or different elements.

Chemistry
2 answers:
ehidna [41]3 years ago
8 0
Bbbbbbbbbbbbbbbbbbbbbbbbbbbb
trasher [3.6K]3 years ago
4 0

Answer: I believe it’s c

Explanation:

Because during fission the atom often splits into 2+

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Explain why a single atom of hydrogen cannot produce all four hydrogen spectral lines simultaneously.
brilliants [131]
<span>When the electron in a hydrogen atom transitions from a high energy state to a lower energy state, the energy lost from the electron is used to produce a photon corresponding to the loss of energy. That photon will correspond to exactly 1 wavelength. And since a hydrogen atom has only 1 electron, at any given moment, it can only produce 1 photon. And in order to simultaneously produce 4 photons for 4 spectral lines, that would require a simultaneous transition of 4 electrons which is 3 too many for a hydrogen atom.</span>
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If one jellybean weighs 0.350g how many jelly beans are in 504g of jellybeans?
allsm [11]

Answer:

1440g

Explanation:

Divide 504g by 0.350g

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ICl has a higher boiling point than Br2. What is the best explanation for this?
Flura [38]
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7 0
3 years ago
Calculate the acid dissociation constant Ka of a 0.2 M solution of weak acid that is 0.1% ionized is ________.
mars1129 [50]

Answer: acid dissociation constant Ka= 2.00×10^-7

Explanation:

For the reaction

HA + H20. ----> H3O+ A-

Initially: C. 0. 0

After : C-Cx. Cx. Cx

Ka= [H3O+][A-]/[HA]

Ka= Cx × Cx/C-Cx

Ka= C²X²/C(1-x)

Ka= Cx²/1-x

Where x is degree of dissociation = 0.1% = 0.001 and c is the concentration =0.2

Ka= 0.2(0.001²)/(1-0.001)

Ka= 2.00×10^-7

Therefore the dissociation constant is

2.00×10^-7

7 0
3 years ago
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