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dexar [7]
3 years ago
5

HElPpp AsAPp I’ll mark you as brainlister!!

Chemistry
1 answer:
vichka [17]3 years ago
5 0
A. There is no extra information
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3. 200 ml of 0.2 M HCl is neutralized with 0.1 M
algol [13]

Answer:

  • <u><em>a. 0.1 M</em></u>

Explanation:

By definition, <em>half neutralization</em> is the point at which half of the acid has been neutralized.

The neutralization reaction that you are studying is the acid-base reaction:

  • HCl (aq) + NaOH (aq) → NaCl(aq) + H₂O (aq)

Then, since the starting molarity of the acid (HCl) is 0.2 M, you just need to find half of that concentration:

  • Half molarity = M / 2 = 0.2 M / 2 = 0.1 M

So, the answer is the first choice: a. 0.1 M.

3 0
3 years ago
How did the color of the foxes’ environment change? Explain what happened to the foxes over many generations.
xxMikexx [17]

Answer:

The answer is below

Explanation:

1. With the aid of natural hues, the fox can change its color based on the environment it found itself in. For example, during summer and spring, fox color changes to dark to provide itself cover in the environment that is characterized by the brown dirt. Similarly, the fox color changes to white during winter and fall to blend with the snow.

2. In a bid to domesticate fox, it has been observed over many generations that the domesticated fox compared to wild fox has floppy ears and curly tails. The stress hormone level has reduced significantly and they possess a smaller adrenal gland.

6 0
3 years ago
What is the formula for aluminum iodide?
lesya [120]
The formula for aluminum is All3
4 0
3 years ago
What elements in the periodic table might combine with oxygen to form magnesium oxide?
Nonamiya [84]
<span> I would  guess that calcium (Ca), of all the group 2 elements, is most like magnesium (Mg), because it has the most similar size (atomic and ionic radii) to Mg. </span>
3 0
3 years ago
Coefficients in a chemical formula provide
iris [78.8K]

Answer:

The relative number of products and reactants

Explanation:

  • The numerical coefficients in chemical equations show the ratio of the molecules of each substance involved in a chemical reaction that is both reactants and products.
  • The coefficients in a balanced chemical equation indicate the relative number of moles of reactants and products.
  • Additionally, coefficients are important to prove the law of conservation of mass.
4 0
3 years ago
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