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poizon [28]
3 years ago
7

Help! The products of a chemical equation are CO2 and 2H20. Which set of atoms

Chemistry
2 answers:
elixir [45]3 years ago
5 0

D. Ap3x just did it

---------

Zarrin [17]3 years ago
4 0

Answer:

D. 1 C, 4 O and 4 H

Explanation:

a p e x, just took the quiz

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Carbon has 7 neutrons

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<span>These atoms are known as valence atoms.</span>
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Measures typically mill at different temperatures in the pier substances they are composed of brass is a mixture of copper and
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2 years ago
The vapor pressure of pure pentane and pure hexane are 425 torr and 151 torr respectively. equal moles of pentane and hexane are
nadezda [96]

The mole fraction of pentane in the vapor is 0.291

Vapour pressure rises with temperature and is a measurement of a substance's propensity to transform into a gaseous or vapour state. The boiling point of a liquid is the temperature at which the pressure exerted by its surroundings equals the vapour pressure present at the liquid's surface.

The number of moles of a particular component in the solution divided by the overall number of moles in the sample solution is known as the mole fraction.

Using the formula for vapour pressure,

vapour pressure = P^{}°_{hex} × X_{hex} + P^{}°_{pen} × X_{pen}

vapour pressure = 151 ×  (1-X_{pen}) + 425 × X_{pen}

240 = 151 - 151X_{pen} + 425X_{pen}

240 - 151 = -  151X_{pen} + 425 X_{pen}

89 = 274 X_{pen}

\frac{89}{274} = X_{pen}

0.291 = X_{pen}

Therefore,  the mole fraction of pentane in the vapor is 0.291

Learn more about vapour pressure here;

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3 0
2 years ago
Describe and explain how the fractionating column is used to separate the mixture of hydrocarbon in crude oil ~ thank you
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Answer:

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