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sertanlavr [38]
3 years ago
15

Which of the following is a solution? Dirt An alloy Wood Plastic

Chemistry
2 answers:
labwork [276]3 years ago
5 0
The answer would be dirt
malfutka [58]3 years ago
4 0
The answer would be an Alloy!
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Se construye una pila galvánica con una barra de cobre sumergida en una disolución 1M de cationes Fe+2 y una barra de plata sume
pashok25 [27]

Answer:

El potencial celular estándar, E_{cell} is +0.46 V

Explanation:

Las reacciones de media célula son;

Media reacción del ánodo Cu²⁺ + 2e⁻ ↔ Cu, E ° = 0.34 V

Media reacción catódica 2Ag + 2e⁻ ⁻ 2Ag, E ° = 0.80 V

Sin embargo tenemos para hierro Fe²⁺ + 2e⁻ ↔ Fe, E ° -0.44 V

y Fe³⁺ + e⁻ ↔ Fe²⁺, E ° = 0.77 V

 que es más alta que la del cobre presente, por lo tanto, el cobre se oxidará en el ánodo

Por lo tanto, en el ánodo, tendremos

Cu → Cu²⁺ + 2e⁻ (E ° = -0.34 V)

En el cátodo

2Ag + 2e⁻ → 2Ag (E ° = 0.80 V)

E_{cell} = E_c + E_a = -0.34 + 0.8 = +0.46 \, V

El potencial celular estándar, E_{cell} = +0.46 V

4 0
3 years ago
The _______ geometry of a water molecule is tetrahedral even though the molecular geometry is bent
IRINA_888 [86]

The electron geometry of a water molecule is tetrahedral even though the molecular geometry is bent.

As water molecule hybridisation is sp³ that provides it a electron geometry tetrahedral but due to presence of 2 lone pairs and 2 bond pairs its molecular geometry is bent.

The hybridisation sp³ makes  electron geometry of a water molecule tetrahedral but the presence of 2 lone pairs makes its  molecular geometry bent

6 0
2 years ago
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How does ur body maintain constant tempature on a hot day?
Lina20 [59]

It knows that when water evaporates, it carries heat energy away with it. 
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evaporate.  We call that "perspiring" or "sweating".


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3 years ago
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Of five different laboratory solutions, the solution with the highest acidity has a pH of
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Answer:

Explanation: E. 12 because it has the highest acidity rate.

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Is butter solution or colloid or suspension
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Hi , butter is a class of colloids called emulsions , so your answer is colloid.
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3 years ago
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