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mote1985 [20]
2 years ago
10

The term 10 points and brainlyess

Chemistry
2 answers:
gizmo_the_mogwai [7]2 years ago
8 0

Answer:

water cycle

Explanation:

if this is a one word term, i dont know but otherwise it is water cycle. hope this helps

Sonbull [250]2 years ago
8 0

Answer:

Mate! Water Cycle would be your answer.

Hope it helps!

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228.38g of CO2

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How do you write 561983 in scientific notation?
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Move the decimal forward 5 spaces, each time doing so you add 10^(# of spaces moved, in this case 5)

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How many non-bonding electrons are present in PO43- ? Group of answer choices
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3 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;

brainly.com/question/25699778

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