How many atoms are in 32grams of sulfwr

Chemistry

1 answer:

nadezda [96]2 years ago

4 0

Answer:

which is 6160.506

Explanation:

32 grams of sulfur will contain 6.022 X 1023 sulfur atoms

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Which element has properties of both metals and nonmetals?

PilotLPTM [1.2K]

<span>Metalloids have the properties of metals and nonmetals.</span>

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Which of the following polyatomic ions will form an ionic compound with two sodium ions? CO32− HCO31− NO21− NO31−

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Answer:

CO32−

Explanation:

We have to consider the valencies of the polyatomic ions involved. Recall that it is only a polyatomic ion with a valency of -2 that can form a compound which requires two sodium ions.

When we look closely at the options, we will realize that among all the options, only CO32− has a valency of -2, hence it must be the required answer. In order to be double sure, we put down the ionic reaction equation as follows;

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Solids are usually more dense than:

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Solids are usually more dense than liquids and gases.

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As a form of energy, light has specific properties such as color and brightness. Some properties can only be seen with special t

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Answer:

D. As white light passes through a prism , it bends and separates into different colors

Explanation:

When light enters a prism, it experiences a phenomenon called 'refraction'.

Refraction occurs when light crosses the interface between two mediums with different optical density; when this happens, the light bends and also changes speed.

The angle at which the ray of light is refracted into the second medium depends on the optical density of the two mediums, but also on the wavelength of the light.

In particular, longer wavelengths (red color) are refracted the least, while shorter wavelengths (violet color) are refracted the most.

As a result, when white light (consisting of all the colors of visible light) enters into a prism, they different wavelengths are separated: therefore, white light separates into different colors.

So, the correct answer is

D. As white light passes through a prism , it bends and separates into different colors

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Answer:

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$\pi=icRT$