A voltaic cell differs from an electrolytic cell in that in a voltaic cell

1 answer:

6 0

The answer is A. Voltaic cells couple oxidation and reduction half reactions to produce electromotive force from chemical potential energy. Electrolytic cells do the opposite in that they require electromotive force to store chemical energy.

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Considering that silicon is a metalloid, which of the following statements is true

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A solution is made containing 4.6 g of sodium chloride per 250g of water.

lozanna [386]

Answer:

$\large \boxed{1.81 \, \%}$

Explanation:

$\text{Mass percent} = \dfrac{\text{mass of solute} }{\text{mass of solution}} \times 100 \, \%$

Data:

Mass of NaCl = 4.6 g

Mass of water = 250 g

Calculations:

Mass of solution = mass of NaCl + mass of water = 4.6 g + 250 g = 254.6 g.

$\text{\% m/m} = \dfrac{\text{4.6 g} }{\text{254.6 g}} \times 100 \, \% = \mathbf{1.81 \, \%}\\\\\text{The percent by mass of NaCl is $\large \boxed{\mathbf{1.81 \, \%}}$}$

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What would happen to a eukaryotic cell if its all mitochondria were destroyed

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What biological molecule that is used for energy is represented by the structure below?

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Answer:

Glucose. C6H12O6

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Given the reaction at equilibrium:

VLD [36.1K]

Answer:

decrease

Explanation:

because the equilibrium will shift to right side

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