2 years ago

Is zinc carbide a metallic bond?

Chemistry

1 answer:

Feliz [49]2 years ago

3 0

Metallic bonds are found in metals like zinc.

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What is the systematic name of the following compound? Li2S

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the systematic name is called Lithium sulfide.

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Explain the way ammonia, salt, and water are alike

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All of them are compounds.

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Compared to most substances, water is unusual because it ____ when it goes from the liquid to solid state.

yuradex [85]

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expands

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The ability of an atom to attract the shared electrons in a covalent bond is its

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3 years ago

If a 2.50 liter container is filled with Ne gas at a pressure of 650 mm Hg and at 25°C, what mass of Ne is in the container?

seraphim [82]

Answer:

1.76 g is the mass of Ne is in the container.

Explanation:

We use the equation given by ideal gas which follows:

$PV=nRT$

where,

P = pressure of the gas = 650 mm Hg

V = Volume of the gas = 2.50 L

T = Temperature of the gas = $25^oC=[25+273]K=298K$

R = Gas constant = $62.3637\text{ L.mmHg }mol^{-1}K^{-1}$

n = number of moles of Ne gas = ?

Putting values in above equation, we get:

$650mmHg\times 2.50L=n\times 62.3637\text{ L.mmHg }mol^{-1}K^{-1}\times 298K\\\\n=\frac{650\times 2.50}{62.3637\times 298}=0.0874mol$

Also, molar mass of Ne = 20.1797 g/mol

So, $Mass = Moles\times Molar\ mass = 0.0874\times 20.1797 g = 1.76\ g$

1.76 g is the mass of Ne is in the container.

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3 years ago