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dimulka [17.4K]
3 years ago
15

Nuclear decay that can be stop by 0.5 cm of lead

Chemistry
1 answer:
seraphim [82]3 years ago
4 0
Beta rays my friend
kind of ironic me and my sister were just talking about this
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Will mark BRAINLIEST!
Nataliya [291]

Answer:

Explanation:

2 NO2(g) ⇄ N2O4(g)

Adding Argon to this reaction will have NO effect. Catalysts nor inert gases have an affect on equilibrium conditions.

Only changes in concentration, temperature conditions and pressure-volume conditions (unless both sides have equal molar volumes) will affect the equilibria.  

NH4OH(aq) ⇄ NH3(g) + H2O(l)

Removing ammonia from reaction equilibrium causes the reaction to shift right to replace removed ammonia. => Think of the reaction as being on a seesaw => removing ammonia from the product side tilts the seesaw left causing the NH₄OH to decompose and deliver more NH₃ and H₂O to the product side to increase weight on that side and level the seesaw. :-)

5 0
3 years ago
A chemical change in which an ion of one compound replaces an ion of another compound is which of the following?
butalik [34]

Pick C Because it's

Explanation:

a chemical reaction in which one element replaces another in a compound. F₂ + 2NaCl → 2NaF + Cl₂, where F replaces Cl in NaCl. A double-replacement reaction is a reaction in which the metals in two ionic compounds exchange partners.

6 0
3 years ago
What is the total number of orbitals found in the second energy level?
erik [133]
Principal Energy Light  Type of sub level  Maximum number of electrons
                                       P                         8
2                                                                
                                       S                          18
3                                    
                                       P
Hope It really Helps
6 0
3 years ago
What is Ka for H2CO3(aq)=H (aq0 HCO3-(aq)
horrorfan [7]
The Ka for H_2CO_3=H^++HCO_3^- is approximately 10^{-3.6}
6 0
4 years ago
Worth 40 Points❤ 10th grade chemistry ‍
brilliants [131]

Answer:

  1. F
  2. E
  3. G
  4. A
  5. C
  6. B
  7. D

Explanation:

Those are the answers in order, BUT the Goldstein and Rutherford ones are confusing me because Rutherford discovered<em> protons</em> and the <em>nuclear atom</em>. Through my research I also noticed that Goldstein contributed to the discovery of the protons made Rutherford, so I listed him as the one who discovered the proton.

I hope this helps! Have a wonderful night! :D

6 0
3 years ago
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