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stiks02 [169]
3 years ago
12

PLS HELP WORTH 25 POINTS WILL MARK BRAINLIEST IF CORRECT

Chemistry
2 answers:
erik [133]3 years ago
8 0

Answer:

A i think. Good luck!!!!

dsp733 years ago
7 0

Answer:

false

false

true

false

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Ivanshal [37]
It speeds up small particles
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4 years ago
What is the molecular shape of hydrogen?
anzhelika [568]
The eletron pairs repel each other in a tetrahedral shape.
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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
What is the formula for compound formed by Iron ( II ) ions and chromate ions?
miskamm [114]

Answer:

The formula of the compound formed by Iron (ii) ions and chromate ions is FeCrO₄

Explanation:

Iron (ii) ions, Fe²⁺ have a positive charge of +2. Chromate ions, CrO₄²⁻, on the other hand have a positive charge of -2. When iron (ii) ions and chromate ions combine two form a compound, each ion will contribute a mole of ion towards the formation of the compound. This is in line with the idea that a compound carries no charge. The positive charge (+2) of the iron (ii) ions are balanced by the negative charge of the chromate ions as shown mathematically as follows;

+2 + (-2) = 0; i.e. Fe²⁺ + CrO₄²⁻ = FeCrO₄

Therefore, the formula of the compound formed by Iron (ii) ions and chromate ions is FeCrO₄

6 0
3 years ago
Desiré was investigating a chemical reaction.When she heated it up, she found that sulfuric acid changed into water. She made th
pochemuha

Answer:

no it is not a complete model

3 0
3 years ago
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