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3 years ago

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A scientist is analyzing a sample of gas that is made of fluorine (F2) and chlorine (Cl2) gas. He determines that the gas sample

is made of 64% fluorine gas. If the total pressure of the gas is 680 mmHg, what is the partial pressure of the chlorine gas (Cl2) in the sample?

1 answer:

____ [38]3 years ago

3 0

I will Answer it and get back to u in the the comment section

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Need help with this question please.

LenaWriter [7]

The correct answer would be the last one.

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The monomer of poly(vinyl chloride) has the formula C2H3Cl. If there are 1,565 repeat units in a single chain of the polymer, wh

monitta

Answer:

$\large \boxed{9.780 \times 10^{4}\text{ u}}$

Explanation:

The molecular mass of a monomer unit is:

C₂H₃Cl = 2×12.01 + 3×1.008 + 35.45 = 24.02 + 3.024 + 35.45 = 62.494 u

For 1565 units,

$\text{Molecular mass} = \text{1565 units} \times \dfrac{\text{62.494 u}}{\text{1 unit }} = \mathbf{9.780 \times 10^{4}}\textbf{ u}\\\\\text{The molecular mass of the chain is $\large \boxed{\mathbf{9.780 \times 10^{4}}\textbf{ u}}$}$

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A. The bonds between the individual monomers of a polymer are broken by the addition of water molecules.

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lesantik [10]

You can't really describe it but this is what it looks like http://www.chemspider.com/Chemical-Structure.453291.html

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A number is right I think

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