Explain the leaf properties of water

Chemistry

1 answer:

Mama L [17]3 years ago

5 0

Answer:

Water's polarity and its ability to form hydrogen bonds give it special properties, including adhesion, cohesion, and the ability to moderate temperature.

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El suero fisiológico tiene una concentración de 8,78 gr/lt. Calcula la masa de NaCl que ingresa en el organismo de un paciente a

Luda [366]

Un paciente que recibe suero fisiológico a una velocidad de infusión de 1 gota = 0,05 ml por segundo recibirá en 5 horas 790 grs de NaCl, tomando en cuenta que la solución acuosa de suero fisiológico contiene 0,878 grs/mL de NaCl.

Explicación

Los datos que se tienen son:

Concentración de NaCl 0,878 grs/ml

Volumen de la gota: 0,05 ml/gota

Velocidad de infusión 1 gota/ seg = 60 gotas/ min = 3 ml/min

Tiempo de infusión = 5 horas = 300 minutos

Ya establecidas las respectivas conversiones se trata de determinar qué volumen de suero fisiológivo se ha infundido al paciente en 5 horas

Si se infunden 3 ml cada minuto, ¿Cuánto se habrá infundido en 300 minutos?

3 ml ______________ 1 min

X ________________ 300 min

X = (300 min x 3 ml) / 1 min

X = 900 ml

Como en 5 horas el paciente ha recibido 900 ml de suero, se determina la cantidad de NaCl que se encuentra en ese volumen de líquido

0,878 grs __________ 1 ml

X ________________ 900 ml

X = (900 ml x 0,878 grs) / 1 ml

X = 790 grs de NaCl

8 0

3 years ago

How many covalent bonds does carbon form if each of its unpaired electrons participate in one bond?

yulyashka [42]

Four covalent bonds.

<h3>Further explanation</h3>

Covalent (or homopolar) bonds occur based on the use or sharing of electron pairs. Covalent bonds are formed between nonmetallic elements.

We have the electronic configuration of a carbon atom as follows:

$\boxed{ \ _{6}C = 1s^2 \ 2s^2 \ 2p^2 \ or \ [He] \ 2s^2 \ 2p^2 \ }$

The electronic configuration of carbon is $\boxed{ \ 2,4 \ }$
The electrons are distributed in the 1st and 2nd orbit.
K shell (n = 1) = 2 electrons.
L shell (n = 2) = 4 electrons.

From this, we can see that the carbon atom has four unpaired electrons which are in the outer shell, called the valence electron.

Carbon atoms with four electrons in the outer shell need four more electrons to reach a stable electron configuration such as a noble gas. Therefore, carbon atoms can form four covalent bonds with other non-metal atoms such as hydrogen, oxygen, nitrogen, sulfur, halogens, and even with carbon atoms themselves.

Recall that a carbon atom can form single, double, or triple bonds with other carbon atoms.

<h3>Learn more </h3>

Flammability as one of the chemical properties brainly.com/question/1767022
About the single bonds in fatty acids brainly.com/question/1386856
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Keywords: how many, covalent bonds, carbon, each of its unpaired electrons, participate in one bond, valence, outer shell, orbit, stable, the electronic configuration, non-metal atoms