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solong [7]
3 years ago
10

In science, observations are objective, but intereroes are subjective. True or False?

Chemistry
1 answer:
Fed [463]3 years ago
8 0

Answer:

the answer is False I hope this helps

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In the compound 5Cr2O3 the 5 represents
Liono4ka [1.6K]

Answer:

a.hshshdhdjsjshsb

b.hsjshdhdhd

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3 years ago
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A carbon nanoparticle (very small particle) contains 8000 carbon atoms. According to the Einstein model of a solid, how many osc
Rudiy27

Answer:

24000

Explanation:

Given that:

The numbers of carbon atoms = 8000

According to the Einstein model of solid;

Einstein’s model assumes that each atom of the solid vibrates around its position of equilibrium independently of the other atoms (which amounts to neglecting the interactions between particles.

Number of oscillators = 3(8000)

Number of oscillators = 24000

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The government is exploring many new green technologies in order to produce energy. One example is the wind turbine. As the wind
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Kinetic energy to potential energy.

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Describe the relationship between the mole and molar mass. Be prepared to describe the process for converting between moles and
malfutka [58]

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The molar mass of any substance is the mass in grams of one mole of representative particles of that substance. ... In such a conversion, we use the molar mass of a substance as a conversion factor to convert mole units into mass units (or, conversely, mass units into mole units).

Explanation:

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Cuál o cuáles de las siguientes características son correctas para la mayoría de los compuestos del carbono?
garik1379 [7]

Answer:

Todas son correctas

Explanation:

I) Los compuestos del carbono son solubles en disolventes no polares como el hexano, benceno, éter, etc. <em>VERDADERO. </em>La mayoría de los compuestos de carbono son apolares, y basados en la regla: Similar disuelve similar, podemos presumir que la mayoría de compuestos de carbono se disuelven en solventes no polares.

II) Los compuestos del carbono generalmente presentan puntos de fusión y de ebullición bajos. <em>VERDADERO. </em>Al ser sustancias apolares, sus fuerzas electrostáticas son bajas. De la misma manera, como su masa atómica es pequeña, las fuerzas de Van der Waals son despreciables haciendo que sus puntos de fusión y ebullición sean bajos respecto a sustancias de estrucutra similar.

III) La gran mayoría de los compuestos del carbono son combustibles, sean estos, gaseosos, líquidos o sólidos. <em>VERDADERO. </em>Los gases (Como el gas natural) son combustibles usados para cocina. Los líquidos (Como la gasolina) son combustibles y bastante inflamables. Los sólidos (Como la madera) se usan como combustibles para hacer asados o son el combustible en incendios forestales.

IV) El enlace covalente es característico de los compuestos del carbono. <em>VERDADERO. </em>La polaridad del carbono es neutral haciendo que la mayoría de los enlaces que forma sean covalentes.

<h3>Todas son correctas </h3>

5 0
3 years ago
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