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nignag [31]
2 years ago
11

When ammonium chloride is dissolved in water, the beaker gets cold. Which type of reaction does this describe

Chemistry
1 answer:
gulaghasi [49]2 years ago
7 0

Answer:

B

Explanation:

i think with exothermic reactions heat is released

this is what i looked up

hope this helps i took chem last year and think this is what i learned

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Iron forms rust, expressed as Fe2O3.
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Answer:

it's C. 159.70 g

Explanation:

hopefully that helps

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2 years ago
Which process is used to produce gases from solutions of salts dissolved in water or another liquid?
NemiM [27]

Answer:

Explanation:

Option D electrolysis is the correct answer

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3 years ago
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Teniendo en cuenta los siguientes fenómenos: ebullición del agua- movimiento de un cuerpo- disolución de sal en agua- combustión
miv72 [106K]

Answer:

Las siguientes son reacciones químicas;

combustión de leña

oxidación del hierro

descomposición del agua en hidrógeno y oxígeno

Explanation:

Una reacción química da como resultado la formación de una (s) sustancia (s) nueva (s), mientras que un cambio físico no conduce a la formación de una sustancia nueva.

Las siguientes son reacciones químicas;

combustión de leña: la combustión de madera implica la oxidación del carbono según la reacción; C (s) + O2 (g) -------> CO2 (g)

oxidación del hierro: La oxidación del hierro conduce a la formación de óxidos de hierro. Como; 2Fe (s) + O2 (g) ----> 2FeO (s)

descomposición del agua en hidrógeno y oxígeno: esta es una reacción química en la que el agua se descompone de la siguiente manera; 2H2O (l) -----> 2H2 (g) + O2 (g)

Todos estos procesos enumerados anteriormente conducen a la formación de nuevas sustancias, por lo tanto, son reacciones químicas.

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2 years ago
Dust in homes often clings to furnishings due to electrostatic interactions
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This is true do to all the other particules around
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