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kenny6666 [7]
3 years ago
8

In chemistry the term molecule was in introduced by​

Chemistry
1 answer:
AURORKA [14]3 years ago
3 0

Answer:

Avogadro

Explanation:

Molecule: The term molecule was introduced by Avogadro. Molecule is the smallest particle of matter that exists independently and is formed by the combination of atoms. Molecule is also defined as the smallest particle of matter that can exist and retains all the properties of that substance. Was this answer helpful?

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3 years ago
It take 38.70cm³ of 1.90m NaoH to neutralize 10.30cm³ of H2so4 in a battery, calculate the molar concentration of H2so4
zlopas [31]

Answer:

M_{acid}=3.57M

Explanation:

Hello there!

In this case, since this acid-base neutralization is performed in a 1:2 mole ratio of acid to base as the former is a diprotic acid (two hydrogen ions in the molecule), we can write the following equation:

2M_{acid}V_{acid}=M_{base}V_{base}

In such a way, we can solve for the molarity of the acid, given the molarity and concentration of the NaOH base and the volume of the acid:

M_{acid}=\frac{M_{base}V_{base}}{2V_{acid}}

Thus, we plug in the given data to obtain:

M_{acid}=\frac{38.70cm^3*1.90M}{2(10.30cm^3)} \\\\M_{acid}=3.57M

Best regards!

8 0
3 years ago
Which statement best compares and contrasts two physical properties of matter? Density and solubility are similar because they b
mash [69]
I believe the correct answer would be that b<span>oiling points and melting points are similar because they both involve the change in a state of a material, but they are different because boiling point involves a change from a liquid to a gas and melting point involves a change from a solid to a liquid. Boiling and melting are phase changes that can happen to a substance however they differ in the process that happens.</span>
8 0
4 years ago
Read 2 more answers
Que es la tabla periodica, que organiza y para que se utiliza
VladimirAG [237]

Answer:

La tabla periódica, también conocida como la tabla periódica de elementos, es una visualización tabular de los elementos químicos, que están organizados por número atómico, configuración electrónica y propiedades químicas recurrentes. La estructura de la tabla muestra tendencias periódicas.

Explanation:

google definition

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4 years ago
Valine is an essential amino acid, which means that it cannot be manufactured in the body and must be obtained through dietary s
artcher [175]

Answer:

As for what is written, I think that your wording is incomplete, since valine (abbreviated Val or V) is one of the twenty amino acids encoded by DNA on Earth, whose chemical formula is HO2CCH (NH2) CH (CH3) 2. In messenger RNA, it is encoded by GUA, GUG, GUU or GUC. Nutritionally, in humans, it is one of the essential amino acids.

Explanation:

Being an essential amino acid, it speaks of the fact that the organism does not synthesize it, therefore it must be ingested in the daily diet as well as in foods rich in proteins: red meat, chicken, fish, eggs, grains and nuts.

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