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miskamm [114]
2 years ago
8

A chemical change in which a single compound breaks down into two or more products is which of the following?

Chemistry
2 answers:
zaharov [31]2 years ago
7 0
The answer is decomposition to break up into constituent parts by or as if by a chemical process.
Blizzard [7]2 years ago
6 0

Answer:

...

Explanation:

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If element x has 72 protons, how many electrons does it have? electrons
saw5 [17]
Elements have neutral charges such as Na so if X has 72 protons + charges then it must also have 72 electrons with - charges

hope that helps
6 0
3 years ago
Write the condensed electron configurations for the Ca atom. Express your answer in condensed form as a series of orbitals. For
umka21 [38]

Answer:

[Ar] 4s²

Explanation:

Ca is the symbol for Calcium. It is the 20th element and it has 20 electrons.

The full electronic configuration for calcium is given as;

1s²2s²2p⁶3s²3p⁶4s²

The condensed electronic configuration is given as;

[Ar] 4s²

6 0
2 years ago
Calcule la molaridad de una solución acuosa de ácido sulfúrico (H₂SO₄) que se preparó al mezclar, en un recipiente aforado, 4 mo
oee [108]

Considerando la definición de molaridad, la molaridad de una solución acuosa de ácido sulfúrico (H₂SO₄) es 0.5 \frac{moles}{litro}.

La molaridad es una medida de la concentración de un soluto en una disolución que se define como el número de moles de soluto que están disueltos en un determinado volumen.

La molaridad de una solución se calcula dividiendo los moles del soluto por el volumen de la solución:

Molaridad=\frac{numero de moles de soluto}{volumen}

La Molaridad se expresa en las unidades \frac{moles}{litro}.

En este caso, sabes que una solución acuosa se preparó al mezclar 4 moles del ácido con suficiente agua hasta completar 8 litros de solución. Entonces, sabes que:

  • número de moles de soluto= 4 moles
  • volumen= 8 litros

Reemplazando en la definición de molaridad:

Molaridad=\frac{4 moles}{8 litros}

Resolviendo:

Molaridad= 0.5 \frac{moles}{litro}

Finalmente, la molaridad de una solución acuosa de ácido sulfúrico (H₂SO₄) es 0.5 \frac{moles}{litro}.

<em>Aprende más</em>:

  • brainly.com/question/17647411?referrer=searchResults
  • brainly.com/question/21276846?referrer=searchResults

8 0
2 years ago
How is burning wood a good illustration of the law of conservation of mass?
crimeas [40]
The wood turns into ash and smoke so mass is nor destroyed or created.
6 0
2 years ago
When balance the following chemical equations N2+O2= NO2 the coefficient for O2 is
Papessa [141]

Answer:

2

Explanation:

N₂ + O₂ --->  NO₂

balance

N₂ + 2O₂ ---> 2NO₂

4 0
2 years ago
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