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Maru [420]
4 years ago
10

Please help I will give ALOT OF BRAINLY POINTS!!!!!

Chemistry
2 answers:
d1i1m1o1n [39]4 years ago
7 0
The answer to the question is A
solmaris [256]4 years ago
6 0
I believe the answer is mitosis
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Calculate the pH of a solution having the following ion concentrations at 298 K. [H+] = 4.6 × 10^-2 M
hodyreva [135]

Answer:

The pH of the solution is 1.34, being an acidic pH.

Explanation:

pH is a measure of acidity or alkalinity that indicates the amount of hydrogen ions present in a solution or substance.   The acronym pH stands for hydrogen potential.

The pH scale ranges from 0 to 14. Values ​​less than 7 indicate the acidity range and those greater than 7 indicate alkalinity or basicity. Value 7 is considered neutral. Mathematically, pH is the negative logarithm of the molar concentration of hydrogen or proton ions (H⁺) or hydronium ions (H₃O⁺).

pH= - log [H⁺] = - log [H₃O⁺]

In this case, [H⁺]= 4.6*10⁻² M. Replacing:

pH= - log 4.6*10⁻²

Solving:

pH= 1.34

<u><em> The pH of the solution is 1.34, being an acidic pH.</em></u>

<u><em></em></u>

5 0
4 years ago
1. an adaptation to meet the need for food:A
True [87]
An adaptation is a physical or behavioral feature that helps an animal stay alive. 

1. An adaptation an animal needs to meet the need for food: Sharp teeth.
An adaptation to meet the need for water: A tongue.
An adaptation for shelter: Sharp claws to climb trees for shelter.

3. Starts storing more fat, bears a warmer coat, and sleeps for hibernation. 

5. If it's cold outside, fur can help keep an animal warm. A chameleon uses his skin (or covering) to blend into this surroundings. 

6. "A". Sharp eyesight. 

I hope this helped you!


4 0
3 years ago
Why do other elements need to bond with one another?
Marysya12 [62]

Answer:

Atoms form chemical bonds to make their outer electron shells more stable. The type of chemical bond maximizes the stability of the atoms that form it.

7 0
3 years ago
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Which mixture is most likely to form a suspension
AveGali [126]
The answer would be c. Have you ever seen gravy? It always separates and leaves different layers.
8 0
3 years ago
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What is the similarity between speed and vilocity
WARRIOR [948]
Speed and velocity both represent a way to measure the change in position of an object relative to time. In fact, for a straight line motion, the speed and velocity of an object are the same (since distance and displacement will be the same). Speed and velocity are measured in the same units: meters per second or m/s.
Hope this helps!
7 0
3 years ago
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