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3 years ago

Cuales son los tipos de molino de viento y sus finalidades

1 answer:

3 0

Answer: Los principales tipos de molino de viento, y sus finalidades, son: Turbinas de viento; la finalidad es lograr transformar la energía eólica en energía eléctrica. ... Molinos de drenaje; la finalidad de estos es servir como una bomba y desplazar fluidos.

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Phthalates used as plasticizers in rubber and plastic products are believed to act as hormone mimics in humans. The value of ΔHc

jeka94

Answer:

$T_f$ = 25.05°C

Explanation:

Given:

the value of ΔHcomb (heat of combustion) for dimethylphthalate (C10H10O4) is = 4685 kJ/mol.

mass = 0.905g of dimethylphthalate

molar mass = 194.18g dimethylphthalate

number of moles of dimethylphthalate = ???

$T_i$ = 21.5°C

$C_{calorimeter}$ = 6.15 kJ/°C

$T_f$ = ???

since we have our molar mass and mass of dimethylphthalate ;we can determine the number of moles as;

0.905g of dimethylphthalate × $\frac{1 mole (dimethylphthalate)}{194.184g(dimethylphthalate)}$

number of moles of dimethylphthalate = 0.000466 moles

Heat released = moles of dimethylphthalate × heat of combustion

= 0.000466 moles × 4685 kJ

= 21.84 kJ

∴ Heat absorbed by the calorimeter = $C_{calorimeter}$ $(T_f-T_i} )$

21.84 kJ =6.15 kJ/°C $* (T_f-21,5^0C)$

21.84 KJ = $(6.15 kJ/^0C * T_f) - (6.15 kJ/^0C*21.5^0C)$

21.84 KJ = $(6.15 kJ/^0C * T_f)$ - 132.225 kJ

21.84 KJ + 132.225 kJ = $(6.15 kJ/^0C * T_f)$

154.065 kJ = $(6.15 kJ/^0C * T_f)$

$T_f$ = $\frac{154.065kJ}{6.15kJ/^0C}$

$T_f$ =25.05°C

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3 years ago

What is the average mass of an electron? A. 1 amu B. 1,837 amu C. 1/1,837

diamong [38]

Answer:

C. 1/1,837

Explanation:

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3 years ago

What are the two ways light moves through space? for astronomy the solar system

Mariana [72]

Answer:

The Solar System moves through the galaxy with about a 60° angle between the galactic plane and the planetary orbital plane. The Sun appears to move up-and-down and in-and-out with respect to the rest of the galaxy as it revolves around the Milky Way

Explanation:

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2 years ago

Read 2 more answers

Where are metals, nonmetals, metalloids, and the noble gases located on the periodic table?

Fofino [41]

Metals are on the left side of the table and nonmetals are on the left with metalloids between them. And the noble gases are all in group 18 of the periodic table.

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3 years ago

What is the form of energy that an object has due to its temperature

SOVA2 [1]

There is thermal energy, but temperature is also a measure of the average kinetic energy, so either of those should be acceptable answers for the question.

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3 years ago

Cuales son los tipos de molino de viento y sus finalidades​

Cuales son los tipos de molino de viento y sus finalidades