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mylen [45]
3 years ago
14

When a gamma ray is emitted from the nucleus of an atom: it reduces the overall energy of the nucleus it increases the overall e

nergy of the nucleus it causes a charge imbalance in the nucleus it causes changes in the electronic structure outside of the nucleus?
Chemistry
1 answer:
horrorfan [7]3 years ago
4 0
When a gamma ray is emitted from the nucleus of an atom it reduces the overall energy of the nucleus. Emission of gamma rays almost happens along with beta and alpha emissions. After the two emissions, the nucleus of the atom would still be in an excited state. To achieve stability, gamma rays are emitted which will decrease the overall energy of the nucleus.
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What is the pH of a substance that has a hydrogen ion concentration of<br> 8.8x10^(-5) M? *
stealth61 [152]

Answer:

The pH of the substance is 4,06.

Explanation:

The pH indicates the acidity or basicity of a substance. PH values between 0 and less than 7 indicate acidic solutions, 7 neutral and greater than 7 to 14 basic. It is calculated as:

pH = -log (H +)

pH= -log (8.8x10^-5)

<em>pH=4,06</em>

5 0
3 years ago
The burning of coal, a fossil fuel, produces water and carbon dioxide. How is this similar to cellular respiration?
Mrac [35]

Answer:

I think the answer is C but you might need a second opinion on this answer

6 0
3 years ago
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Question 4 need this answered asap (chemistry)
aleksandrvk [35]

Answer:

Conductivity meter

Explanation:

All of the other choices measure pH and can tell you when the pH changes, which is how you know the neutralization reaction has occurred. A conductivity meter does not measure pH.

3 0
3 years ago
How would you expect a positive particle approaching another positive particle to behave?
JulijaS [17]

Answer:

They would produce a repulsive force to another

Explanation:

A positive particle approaching another positive particle will repulse it.

According to coulomb's law "like charges repel one another and unlike charges attract".

A charge is an intrinsic property of any matter.

When like charges e.g positive and positive or negative and negative charges are in the vicinity of one another, they repel each other.

When unlike charges; positive and negative are brought together, they simply attract one another.

Therefore, we expect that a positive particle approaching another positive particle will repel one another.  

8 0
3 years ago
Who discovered copper
Komok [63]

Explanation:

The exact person is unkown cooper has been around for ages since 9000 BC in the Middle East are the earliest discoveries

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