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Korolek [52]
3 years ago
14

If the pressure, volume, and the number of moles of a gas are known, which is needed to calculate the universal gas constant fro

m the ideal gas law?
Chemistry
1 answer:
umka21 [38]3 years ago
7 0

Answer:

5

Explanation:

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Rank the following from lowest to highest anticipated boiling point: C8H18, CH, C16H34,CH4,C4H10
viva [34]
<span>The relative strength of intermolecular forces such as ionic, hydrogen bonding, dipole-dipole interaction and Vander Waals dispersion force affects the boiling point of a compound. For this case, the longer the chain the higher the boiling point. 

</span>CH, CH4, C4H10, C8H18, C16H34

Hope this answers the question. Have a nice day.
8 0
3 years ago
Sylvanite is a mineral that contains 28.0% gold by mass. How much sylvanite would you need to dig up to obtain 73.0 g of gold?
Scorpion4ik [409]

You would have to dig up 261 g of sylvanite.

Mass of sylvanite = 73.0 g Au × (100 g sylvanite/28.0 g Au) = <em>261 g</em> sylvanite.


3 0
3 years ago
Calculate the adjusted retention times for both pentafluorobenzene and benzene if the elution time for unretained solute is 1.06
vovangra [49]

Answer:

Pentafluorobenzene: 11,92 min

Benzene: 12,14 min

Explanation:

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The adjusted retention time is the time an analyte spends in the column not the stationary phase. As time of unretained solute is 1,06 min the adjusted retention time for an analyte is:

tr' = tr - 1,06min

For pentafluorobenzene:

tr' = 12,98min - 1,06min = <em>11,92 min</em>

For benzene:

tr' = 13,20 - 1,06min = <em>12,14 min</em>

<em></em>

I hope it helps!

3 0
3 years ago
Please help me am stuck between "B" and "C"
balandron [24]

Answer: Trail Mix

Hope this helps :)

5 0
3 years ago
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There are four major methods of purification in the chemistry laboratory. Which of the given techniques is not one of the four m
RideAnS [48]
Answer:

Sublimation

Explanation:

Sublimation is when a substance goes from a solid to a gas, without going through a liquid phase. This is not a method for separation and purification.
6 0
3 years ago
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