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cluponka [151]
3 years ago
11

A) What is an ELECTRIC CELL? DEL

Chemistry
2 answers:
Svetlanka [38]3 years ago
6 0

Answer:Una célula eléctrica es un dispositivo simple capaz de suministrar una corriente eléctrica. Uno o más células eléctricas que trabajan en conjunto para entregar una corriente constituyen una batería. La reacción química de una célula eléctrica se clasifica como "de oxidación-reducción". Los electrones se transfieren, la oxidación de una especie química a través de la eliminación de electrones, mientras que la reducción de otra mediante la adición de electrones. La reacción en una celda eléctrica puede ser a veces, obviamente, química, como para la batería de cobre y zinc; en otros casos, tales como la célula solar, puede ser menos obvio.

Células eléctricos pueden encontrar aplicación inversa, como en el proceso de galvanoplastia, lo que se aplica un voltaje externo que transfiere electrones en la dirección inversa, lo que resulta en la deposición de metal sobre los sustratos. Entre los yacimientos más comunes son el níquel, soldadura, cromo, cobre, plata y oro. Curiosamente, las células solares pueden tener su acción invierte. En lugar de luz que incide en sus superficies para producir electricidad, la corriente puede ser introducido que los resultados en la emisión de luz, aunque a una frecuencia diferente, a saber, el infrarrojo. Este es el principio del diodo emisor de luz

Explanation:ese es broo

leonid [27]3 years ago
4 0

Answer:

an electric cell is a device that is used to generate electricity, or one that is used to make chemical reactions possible by applying electricity.

Explanation:

Hope this helps

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On increasing which of the following factors, decreases the extent of physisorption? Surface area of the adsorbent Critical temp
Citrus2011 [14]

Answer: On increasing temperature at which adsorption is carried out decreases the extent of physisorption.

Explanation:

An adsorption where molecules of the adsorbate are placed or held on the surface of adsorbent by Vander waals forces is called physisorption.

There is basically physical bonding between the molecules of gas to the surface of a solid or liquid.

Physisorption is reversible in nature and occurs at low temperatures.

It is not specific in nature which means that all gases are adsorbed on the surface of every solid substance to some extent.

Thus, we can conclude that on increasing temperature at which adsorption is carried out decreases the extent of physisorption.

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Green plants use light from the sun to drive photosynthesis. photosynthesis is a chemical reaction in which water and carbon dio
Korolek [52]

<span>The equation that represents the process of photosynthesis is: </span>

<span>
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<span>6CO2+12H2O+light->C6H12O6+6O2+6H2O</span>

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<span>Photosynthesis is the process in plants to make their food. This involves the use carbon dioxide to react with water and make sugar or glucose as the main product and oxygen as a by-product. Since we are not given the mass of CO2 in this problem, we assume that we have 1 g of CO2 available. We calculate as follows:</span>

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<span>1 g CO2 ( 1 mol CO2 / 44.01 g CO2 ) ( 12 mol H2O / 6 mol CO2 ) ( 18.02 g / 1 mol ) = 0.82 g of H2O is needed</span>

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However, if the amount given of CO2 is not one gram, then you can simply change the starting value in the calculation and solve for the mass of water needed.

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7 0
3 years ago
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SashulF [63]

Answer:

carbon with graphite as the allotrope

8 0
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Which of the following correctly describes a reaction that forms a disaccharide from two monosaccharides?
Dafna11 [192]
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The base unit of measurement of liquids and volume.
Gemiola [76]

Answer:

Liters

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