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4 years ago

How many carbon atoms are present in 0.46 moles of C2H6O?

1 answer:

4 0

Here, Number of atoms = 0.46 * 6.23 * 10^23 [ Avogadro's number ]
= 2.77 * 10^23

In short, Your Answer would be Option B

Hope this helps!

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Which major changes in human society and the environment occurred during the Industrial Revolution? *

wariber [46]

Answer: c

Explanation:

during the industrial revolution americans were switching from rural to urban life, thus using up more fossil fuels, and working in factories

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3 years ago

The intermolecular forces of attraction in hydrogen gas are stronger than those of helium

Gekata [30.6K]

Answer:

Explanation:

I think this is true letter a

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3 years ago

Calcular la normalidad de 1 Kg de sulfuro de aluminio en 5000 ml de solucion.

Troyanec [42]

Calculate the normality of 1 Kg of aluminum sulfide in 5000 ml of solution.

Normality comes out to be 8.11

<h3> Given </h3>

Mass of solute: 1000g
Volume of solution (V): 5000 ml = 5 liters
Equivalent mass of solute (E) = molar mass / n-factor

n-factor for $Al_{2}S_{3}$ is 6 and molar mass is 148g

So, on calculating equivalent mass is equal to 24.66g

FORMULAE of Normality (N) = (Mass of the solute) / (Equivalent mass of the solute (E) × Volume of the solution (V)

N= $\frac{1000}{24.66*5}$

Therefore, normality of 1 kg aluminum sulfide is 8.11

Learn more about normality here brainly.com/question/25507216

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2 years ago

Describe the nucleus of the atom. Include a description of its size relative to the rest of the atom.

faust18 [17]

Answer:

The nucleus is the most densely compacted part of the atom, it is in the center circled by the electron cloud or shells. It is filled with positively charged protons, and neutrons which have no charge. It is smaller than the electron cloud in size, but in quantity it has more subatomic particles since protons and electrons are equal and the nucleus has nuetrons

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4 years ago

What element is a gas at room temp, has 6 valence electrons, and is non-reactive

sveta [45]

Answer:

Noble gases

Explanation:

Noble gases are nonreactive, nonmetallic elements in group 18 of the periodic table. As you can see in the periodic table in the figure below, noble gases include helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn).18 Jun 2021

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3 years ago