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LenKa [72]
3 years ago
9

If ·X: represents the electron-dot symbol of an element, that element could be

Chemistry
1 answer:
Oksi-84 [34.3K]3 years ago
7 0

Answer:

The answer is b

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Ome fire extinguishers contain liquid carbon dioxide Suggest how carbon dioxide​
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Answer:

The CO2 Extinguisher Cannisters contain carbon dioxide in liquid form, and when the extinguisher is let off the liquid is released into the air neutralising the oxygen that the fire is feeding on, disabling the fires ability to spread.

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What type of compound is formed when a secondary (2°) alcohol is treated with Jones' reagent?
EastWind [94]

Answer:

Option D, ketone

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3 years ago
Thre largest source of available freshwater on earth is
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Ice caps so it would be D

Hope it helps :-)
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How many moles are found in a 100.0-g sample of CuF2?
ivolga24 [154]
To determine the amount of a substance in units of moles from units of grams, we need to determine the molar mass of the substance. <span>The </span>molar mass<span> is the </span>mass<span> of a given chemical element or chemical compound (g) divided by the amount of substance (mol). For CuF2, the molar mass </span><span>101.543 g/mol. We calculate as follows:

100.0 g CuF2 ( 1 mol / 101.543 g) = 0.98 mol CuF2</span>
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2 years ago
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