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4 years ago

Explain why some atoms gain or lose electrons to form ions.

2 answers:

7 0

Because some atoms are more stable when they gain or lose an electron and form ions.

alexgriva [62]4 years ago

3 0

Some atoms are more stable when they gain or lose an electron (or possibly two) and form ions. This results in a full outermost electron shell and makes them energetically more stable. Now, because the number of electrons does not equal the number of protons, each ion has a net charge.

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5. Calcule las concentraciones cuando se alcanza el equilibrio si partimos de unas concentraciones iniciales [A]=[B]=1M ; [C]=[D

g100num [7]

Las concentraciones en el equilibrio para la reacción química presentada son:

$[A] = [B] = 1-x = 1-0.69 = 0.31 M\\[C] = [D] = x = 0.69 M$

Consideremos la siguiente reacción química genérica:

A + B ⇄ C + D

Para calcular las concentraciones en el equilibrio, debemos construir una Tabla ICE. Cada fila representa una instancia (Inicial, Cambio, Equilibrio) y la completamos con la concentración o cambio de concentración ("x" para concentraciones desconocidas). Como inicialmente no hay productos, la reacción se desplazará hacia la derecha para alcanzar el equilibrio.

A + B ⇄ C + D

I 1 1 0 0

C -x -x +x +x

E 1-x 1-x x x

La constante de equilibrio, Kc, es:

$Kc = 5 = \frac{[C][D]}{[A][B]} = \frac{x^{2} }{(1-x)^{2} } \\\sqrt{5} = x/1-x\\x = 0.69$

Las concentraciones en el equilibrio son:

$[A] = [B] = 1-x = 1-0.69 = 0.31 M\\[C] = [D] = x = 0.69 M$

Puedes aprender más sobre equilibrio químico aquí: brainly.com/question/21632386

3 0

3 years ago

Helppp

d1i1m1o1n [39]

Answer:

Medication

Explanation:

These pharmaceuticals can pollute our water and unintentionally expose us to the chemicals in these medications. Recent studies have found that medicines flushed down the drain can contaminate our lakes and streams, which can hurt fish and other aquatic wildlife, and end up in our drinking water.

4 0

2 years ago

How many protons electrons and neutrons does the following isotopes contain 1H+

kap26 [50]

Answer:

H+ contains 1 proton, 0 neutrons, 0 electrons.

Explanation:

7 0

3 years ago

life will not be possible on earth without the water that covers much of its surface and the air that surrounds it earth water a

Vladimir [108]

Kdkskksidkdkfkfkfkfkfkkdkdkkdkdkkkf

5 0

3 years ago

Atoms are the smallest unit of an element that holds the physical identity of that element T or F

Amanda [17]

Answer:

I think it might the answer might be true, im sure you can find this in online tho

8 0

3 years ago