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3 years ago

What four factors account for the abundance of carbon compounds

2 answers:

6 0

Dunno about four factors, but one is that carbon will form four bonds (some are single, some double, some triple). It can bond to other carbon atoms to create structures of almost any shape.

AVprozaik [17]3 years ago

4 0

I don't know sorry I wish I could help

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What are the four sets of quantum numbers for nickel?

nlexa [21]

The quantum numbers for the last valence electron in nickel are (3, 2, 0, -½).

The electron configuration of nickel is [Ar]4s²3d⁸

The last electron added is a 3d electron, so n = 3 and l = 2.

We construct a table of quantum numbers.

Element n l mₗ mₛ

Sc 3 2 2 +½

Ti 3 2 1 +½

V 3 2 0 +½

Cr 3 2 -1 +½

Mn 3 2 -2 +½

Fe 3 2 2 -½

Co 3 2 1 -½

Ni 3 2 0 -½

The quantum numbers for the last electron in nickel are (3, 2, 0, -½).

5 0

4 years ago

What is the most likely way a chemist would be involved in the production of a computer chip?

ZanzabumX [31]

Answer: Computer chips are very complex, maybe there are things insode that chemists are familiar with. Maybe they can give insight about this.

Explanation:

4 0

3 years ago

Una masa de aire ocupa un volumen de5litro a una temperatura de 120c Cual será el nuevo volumen si la temperatura se reduce ala

zalisa [80]

Answer:

1. $V_2=2.5L$

2. $V_2=8000mL$

3. $V_2=176.3L$

Explanation:

¡Hola!

En este caso, dada la información para estos problemas, procedemos de la siguiente manera, basado en las leyes de los gases ideales:

1. Una masa de aire ocupa un volumen de 5 litros a una temperatura de 120 °C Cual será el nuevo volumen si la temperatura se reduce a la mitad:

Aqui, utilizamos la ley de Charles, asegurándonos que la temperatura está en Kelvin:

$\frac{T_2}{V_2} =\frac{T_1}{V_1} \\\\V_2 =\frac{V_1T_2}{T_1} \\\\V_2 =\frac{5L*196.5K}{393K} \\\\V_2=2.5L$

2. Un gas ideal ocupa un volumen de 4000 ml a una presión absoluta de 1500 kilo pascal Cual será la presión si el gas es comprimido lentamente hasta 750 kilo pascal a temperatura constante?

Aquí, utilizamos la ley de Boyle, dado que la temperatura se mantiene constante, calculando el volumen, ya que lo que se da es la presión final:

$\neq P_2V_2=P_1V_1\\\\V_2=\frac{P_1V_1}{P_2}\\\\ V_2=\frac{4000mL*1500kPa}{750kPa}\\\\V_2=8000mL$

3. Un gas ocupa un volumen de 200 litros a 95°C y 782 mmHg Cual será el volumen ocupado por dicho gas a 65°C y 815 mmHg:

Aquí, utilizamos la ley combinada de los gases ideales, asegurándonos que las temperaturas están en Kelvin:

$\frac{T_2}{P_2V_2} =\frac{T_1}{P_1V_1} \\\\V_2 =\frac{P_1V_1T_2}{P_2T_1} \\\\V_2 =\frac{782mmHg*200L*338K}{815mmHg*368K}\\\\V_2=176.3L$

¡Saludos!

6 0

3 years ago

Why is the classification species not considered a group? (1 point)

vitfil [10]

Each species is a separate type of organism.

A species is a group of creatures that share similar traits. The same species of organisms are capable of sexual reproduction as well as interbreeding and producing fertile offspring. It is a fundamental unit of taxonomy and classification.
The system is divided into seven categories: Kingdom, Phylum or Division, Class, Order, Family, Genus, and Species. Kingdom is the most inclusive category.
In a group, many types of an organism can be included even if they do not share the same traits. But species is a group of organisms that share similar traits.
For example, human beings are species as they are all alike in physical features, way of reproduction, etc. But the animal is considered a group because it included a variety of living beings.

Therefore, Each species is not considered a group.

Learn more about taxonomy here:

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6 0

2 years ago

Why is hydrogen not considered part of any group

Black_prince [1.1K]

Hydrogen atoms one outer electron so would be placed in group 1. However all group 1 elements are metals and elements in the same group have similar properties. Hydrogen is a non-metal and does not behave in the same way as the other group 1 elements, so that is why it is on its own.

3 0

3 years ago