Is this the correct Lewis Dot Structure for SO2??PLEASE HELP

Chemistry

1 answer:

irina1246 [14]3 years ago

6 0

Yes that looks about right to me.

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Determino<br>establece ensu ushiculos<br>el ciligo de la to Niñez<br>Niñez y de la Adolecencia

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Can anyone help with properties of non-metals?

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Dull (not shiny)
poor conductors of heat and electricity (they are insulators)
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3 years ago

Calculate the molecular masses of C4 H10 atoms molecules or ionic formulae

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C4H10 is an alkane (propane to be precise)

The relative formula mass of a molecule of propane is

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Inessa05 [86]

Answer:

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Explanation:

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C₈H₁₈(l) + 12.5 O₂(g) → 8 CO₂(g) + 9 H₂O(l)

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1 mL of C₈H₁₈ has a mass of 0.690 g (ρ = 0.690 g/mL).
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The mole fraction of O₂ in air is 0.21.
The molar mass of air is 28.96 g/mol.

50 L of isooctane require the following mass of air.

$50 \times 10^{3}mLC_{8}H_{18}.\frac{0.690gC_{8}H_{18}}{1mLC_{8}H_{18}} .\frac{1molC_{8}H_{18}}{114.22gC_{8}H_{18}} .\frac{12.5molO_{2}}{1molC_{8}H_{18}} .\frac{1molAir}{0.21molO_{2}} .\frac{28.96 \times 10^{-3}kgAir}{1molAir} =520kgAir$

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The labeled diagram is given in the image attached.

As it can be seen from the image that freezing is when energy is removed from the system at 0 ⁰ while melting is when energy is added at 0⁰.

Also when energy is added at 100⁰C, it causes boiling while when it is removed at 100⁰C, it causes condensation.

Melting point of water is 0⁰C while boiling point is 100⁰C

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