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Tems11 [23]
3 years ago
12

What is a lone pair​

Chemistry
2 answers:
dolphi86 [110]3 years ago
8 0

Answer:

A lone pair is a pair of electrons occupying an orbital in an atom or molecule and not directly involved in bonding.

Explanation:

beks73 [17]3 years ago
3 0

Answer:

A pair of electrons that is not used in bonding

Explanation:

I took the test

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Un convertidor catalítico acelera la reacción del monóxido de carbono con oxígeno para producir dióxido de carbono. ¿De qué mane
vaieri [72.5K]

Answer:

a. Disminuye.

b. Disminuye.

Explanation:

¡Hola!

En este caso, considerando que tenemos una reacción en la cual se podría asumir que tanto la concentración de monóxido de carbono y la de oxígeno contribuye a la velocidad de reacción, de acuerdo a la siguiente cinética elemental:

r=k[CO]^2[O_2]

Al aplicar los siguientes cambios, resultaría:

a. En este caso, bien sabemos que la velocidad de reacción es aumentada al adicionar un catalizador ya que la constante de velocidad aumenta al disminuir la energía de activación; no obstante, al retirar el catalizador, la energía de activación aumentaría y por consiguiente la velocidad de reacción disminuiría.

b. En este caso, dado que la relación entre el oxígeno y la rapidez de reacción es directamente proporcional, es possible para nosotros determinar que al eliminar parte del oxígeno, la concentración disminuye y por ende la velocidad de reacción también.

¡Saludos!

5 0
3 years ago
Please help!! Which process occurs during all chemical reactions?
Sonbull [250]

Answer:

In a chemical reaction, only the atoms present in the reactants can end up in the products. No new atoms are created, and no atoms are destroyed. In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

Explanation:

please mark as brainliest if I helped you

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Answer:

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Answer:

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4.  C.  cutting very hard surfaces

5.  B.  3.5%

Explanation:

5 0
3 years ago
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