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blagie [28]
3 years ago
14

COMO HA CONTRIBUIDO JUNTO A LA MOLALIDAD Y LA NORMALIDAD, CON EL DESARROLLO TECNOLOGICO Y DE LA HUMANIDAD.

Chemistry
1 answer:
horrorfan [7]3 years ago
4 0

Answer:

La molalidad y la normalidad son definiciones empleadas en aplicaciones de concentración bastante útiles para lograr proporciones óptimas en soluciones sólido-líquido y líquido-líquido, asimismo permite un criterio cuantitativo para aplicar un control de calidad en insumos productos a cualquier escala, así como garantizar unos mínimos de seguridad en materia de cuidado ecológico y de la salud humana, evitando desastres ecológicos, así como enfermedades y muertes asociadas a intoxicaciones.

Explanation:

La molalidad y la normalidad son definiciones empleadas en aplicaciones de concentración bastante útiles para lograr proporciones óptimas en soluciones sólido-líquido y líquido-líquido, asimismo permite un criterio cuantitativo para aplicar un control de calidad en insumos productos a cualquier escala, así como garantizar unos mínimos de seguridad en materia de cuidado ecológico y de la salud humana, evitando desastres ecológicos, así como enfermedades y muertes asociadas a intoxicaciones.

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What is responsible for the larger size of an anion in comparison with the atom from which it is form?
GarryVolchara [31]

Answer:

electron-electron repulsion

Explanation:

When electrons add into valence shell of neutral elements, the element assumes a negative oxidation state. With this, the number of electrons having (-) charges will be larger than the number of protons having positive (+) charges. As a result, the extra electrons repel one another (i.e., like charges repel) and a larger radius is the result.  

In contrast, when cations are formed, electrons are removed from the valence level (oxidation) producing an element having a greater number of protons than electrons. The larger number of protons will function to attract the electron cloud with a greater force that results in a contraction of atomic radius and a smaller spherical volume than the neutral unionized element.    

To visualize, see attached chart that shows atomic and ionic radii before and after ionization of the elements.  

Download pdf
4 0
3 years ago
In the covalent compound C3H8 the Greek prefix used to represent the cation is?
krok68 [10]

Answer:

pro

Explanation:

c3h8 is propane

3 carbons makes it PROpane

the ANE come from all single bonds

4 0
4 years ago
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Which two things affect how a lens refracts light?
Romashka-Z-Leto [24]

Answer:

Explanation:

the correct answer is A

5 0
3 years ago
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Can you guys help me with this one part?
Pani-rosa [81]

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3 0
3 years ago
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In an experiment, 4.14 g of phosphorus combined with chlorine to produce 27.8 g of a white solid compound. what is the empirical
Umnica [9.8K]

Grams of Phosphorus = 4.14 grams 
Grams of white compound = 27.8 grams 
Grams of Chlorine would be = 27.8 - 4.14 = 23.66 grams
 Calculating moles which would be grams / molar mass
 Molar mass of P = 30.97 grams / moles; Molar mass of Cl = 35.45 grams / moles
 Moles of Phosphorus = 4.14 grams / 30.97 grams / moles = 0.1337 moles
 Moles of Chlorine = 23.66 grams / 35.45 grams / moles = 0.6674 moles
 Calculating the ratios by dividing with the small entity
 P = 0.1337 moles / 0.1337 moles = 1
 Cl = 0.6674 moles / 0.1337 moles = 5 
So the empirical formula would be PCl5
3 0
3 years ago
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