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Alchen [17]
3 years ago
7

Es un cambio natural o provocado, donde se produce energía para agua y dióxido de carbono: a)Precipitación. b)Fermentación c) Ef

ervecencia. d) Combustión.
Chemistry
1 answer:
Andre45 [30]3 years ago
6 0

Answer:

d) Combustión.

Explanation:

¡Hola!

En este caso, dado que estamos enfocados en el concepto de cambio químico, el cual se caracteriza por exhibir un cambio en la composición e identidad de las sustancias iniciales (reactivos) a otras finales (productos).

Ahora bien, como se nos dice que los productos de este cambio químico son energía, agua y dióxido de carbono, inferimos que el nombre de este proceso es d) Combustión, por ejemplo la combustion del gas natural para calentar nuestras comidas en la cocina.

¡Saludos!

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2 years ago
express in word equation and chemical equation of the chemical reaction when potassium chlorate is heated.​
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Answer:

Word equation: <u>Potassium chlorate → Potassium chloride + Oxygen</u>

Chemical equation: <u>KClO₃ → KCl + O₂</u>

Explanation:

<em>This is decomposition reaction so there will only be one reactant, which is potassium chlorate.</em>

The chemical equation will be:

KClO₃ → KCl + O₂

The balanced equation would be:

2KClO₃ → 2KCl + 3O₂

The word equation will be:

Potassium chlorate → Potassium chloride + Oxygen

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Answer:

ionic bond

Explanation:

Covalent bonds are formed when two or more atoms share electrons between them. So two chlorine anions form an ionic bond with one magnesium cation for form MgCl2, a neutral chemical compound.

4 0
3 years ago
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A car at rest ends accelerates for 12 seconds. After this time the car is going 36 m/s. So acceleration that is a=3 ms⁻².


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