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tatuchka [14]
2 years ago
8

Energy to thermal energy.

Chemistry
1 answer:
sergiy2304 [10]2 years ago
3 0

A hair dryer converts "electrical energy" to "thermal energy".

Option: C

<u>Explanation</u>:

The "electricity" is converted to "heat energy" in a "wire coil". Here electricity process "air" out of "the hair dryer" with the help of forced convection. Most hairdryers use a nichrome wire coil that will not oxidize when heated and allowing it to "blow" the hair dry with high temperature air which speeds up evaporation. Thus "wire heats" the "air faster", in most of the "hair dryers" the "air" is only in "the barrel" for "half of a second".

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Draw the Lewis structure for sulfur tetrafluoride, SF4
Vlad [161]

Notes:-

  • S has Z=16

Electronic configuration

  • 1s²2s²2p⁶3s²3p⁴

So

  • Valency is 4 and 6

  • Three fluorine atoms take 3 electrons and one lone pair present over S
  • As one electron remains unshared so we use + sign .

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2 years ago
A cup of hot tea _____.
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4 0
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3 years ago
A patient cholesterol level and blood measures 149 mg/dL. What is the patients cholesterol level in grams per liter?
iren2701 [21]

Answer:

A patient cholesterol level and blood measures 149 mg/dL. What is the patients cholesterol level in grams per liter?

Explanation:

A patient cholesterol level and blood measures 149 mg/dL. What is the patients cholesterol level in grams per liter?

6 0
2 years ago
¿Cómo se debería leer una ecuación química con palabras? Por ejemplo: 2 H2 (g) + O2 (g) → 2H2O (l) ¿como se lee eso con palabras
zhannawk [14.2K]

Answer:

"dos moles de hidrógeno gaseoso reaccionan con un mol de oxígeno gaseoso para productir dos moles de agua liquida".

Explanation:

¡Hola!

En este caso, dado que la menera en que se leen las reacciones químicas se da al considerar tanto los nombres de los reactivos y los productos, como la fase en la que se encuentran y la cantidad de moles que reaccionan, para la reacción que mencionas, sería:

"dos moles de hidrógeno gaseoso reaccionan con un mol de oxígeno gaseoso para productir dos moles de agua líquida"

¡Saludos!

4 0
3 years ago
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