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STatiana [176]
2 years ago
13

Please help me will mark brainliest

Chemistry
1 answer:
LuckyWell [14K]2 years ago
8 0

Answer:

accretion  

Explanation:

the coming together and cohesion of matter under the influence of gravitation to form larger bodies.

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A voltaic cell spontaneously converts1) electrical energy to chemical energy(2) chemical energy to electrical energy(3) electric
Varvara68 [4.7K]
A voltaic cell spontaneously converts chemical energy to electrical energy. The correct option among all the options given in the question is option "2". Actually voltaic cell is an electrochemical cell that converts the chemical contained within it by the process of chemical reaction to produce electrical energy. The voltaic cell contains an anode and a cathode. Anode is an electrode where the oxidation occurs and cathode is the electrode where reduction occurs. The oxidation and the reduction part occurs in two separate parts of the cell known as half-cell.



3 0
3 years ago
I need help with a questino
kipiarov [429]

Explanation:

What will the question be ?

6 0
3 years ago
Read 2 more answers
How do you know the ph level of 10^-8
sergiy2304 [10]

pH=6.98

Explanation:

This is a very interesting question because it tests your understanding of what it means to have a dynamic equilibrium going on in solution.

As you know, pure water undergoes self-ionization to form hydronium ions, H3O+, and hydroxide anions, OH−.

2H2O(l]⇌H3O+(aq]+OH−(aq]→ very important!

At room temperature, the value of water's ionization constant, KW, is equal to 10−14. This means that you have

KW=[H3O+]⋅[OH−]=10−14

Since the concentrations of hydronium and hydroxide ions are equal for pure water, you will have

[H3O+]=√10−14=10−7M

The pH of pure water will thus be

pH=−log([H3O+])

pH=−log(10−7)=7

Now, let's assume that you're working with a 1.0-L solution of pure water and you add some 10

5 0
3 years ago
What are Seismic waves?
Vikki [24]

Answer:

Seismic waves are waves of energy that travel through Earth's layers, and are a result of earthquakes, volcanic eruptions, magma movement, large landslides and large man-made explosions that give out low-frequency acoustic energy

Explanation:

hope this helps if so please brainliest

Merry Christmas

6 0
3 years ago
Why should you always condition a buret before running a titration?.
Alex Ar [27]

Answer:

Conditioning two or three times will insure that the concentration of titrant is not changed by a stray drop of water.

Explanation:

"Check the tip of the buret for an air bubble. To remove an air bubble, whack the side of the buret tip while solution is flowing".

5 0
2 years ago
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