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Zinaida [17]
2 years ago
9

Help pls I will answer some of ur social studies questions!!!

Chemistry
2 answers:
Nastasia [14]2 years ago
3 0

Answer:

the answer is d because without each other the cells will die because the body won't get it's job down properly.

Natasha2012 [34]2 years ago
3 0
D- in your body you have all different cells as it says and they all work together to keep you alive.
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Explique por qué se necesita una temperatura alta para derretir el yoduro de potasio.​
SCORPION-xisa [38]

Answer:

El yoduro de potasio es una sal cristalina de fórmula KI, usada en fotografía y tratamiento por radiación. Al ser menos higroscópica que el yoduro de sodio, es más utilizada como fuente de ion yoduro.

Explanation:Se porta como una sal simple. El ion yoduro, al ser un reductor débil, es fácilmente oxidado por otros elementos como el cloro para transformarse en yodo:

2 KI(ac) + Cl2(ac) → 2 KCl + I2(ac)

Tiene un pH neutro (pH = 7) ya que el catión potasio y el anión yoduro son iones espectadores, por lo que no reaccionan con el agua, manteniéndose inalterado el pH. El yoduro se oxida aún más fácilmente al formar ácido yodhídrico (HI), el cual es un reductor más fuerte que el KI. El yoduro de potasio forma el anión triyoduro(I3−) al combinarse con yodo elemental.

A diferencia del yodo, los triyoduros son altamente solubles en agua, por lo que el yoduro de potasio aumenta considerablemente la solubilidad del yodo elemental en agua, que por sí solo se disuelve en muy bajas cantidades.

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3 years ago
The atoms of most elements are reactive. Describe atoms that are
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The number of electrons in the outermost shell of an atom determines its reactivity. Noble gases have low reactivity because they have full electron shells. Halogens are highly reactive because they readily gain an electron to fill their outermost shell
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m = n * mm

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Which statement below can NOT
alexandr402 [8]

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the answer is B:

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I hope it help.

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