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Fiesta28 [93]
3 years ago
7

BRIANLIESTTT ASAP!!! PLEASE HELP ME :)

Chemistry
2 answers:
Volgvan3 years ago
7 0

Answer:

Its reliability is confirmed by many scientists.

Explanation:

<em>hey there,</em>

<em />

< Science can't always be confirmed; there are always new rules coming in. Like when they removed Pluto as a planet. >

<u>Hope this helped! Feel free to ask anything else.</u>

Genrish500 [490]3 years ago
4 0

Answer:

Its reliability is confirmed by many scientists

Explanation:

The science and the pseudoscience have multiple differences that separate them clearly and sharply. The science, doesn't matter about scientific field we are talking about, is confirmed by numerous scientists. In order for something to be accepted in the scientific circles as a science, the particular thing in question undergoes numerous studies, from numerous different scientists or scientific groups. If all of the results of all of the studies are confirming the same thing, that it can be accepted as science.

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Read 2 more answers
At a certain temperature the vapor pressure of pure chloroform (CHCl3) is measured to be 91. torr. Suppose a solution is prepare
OleMash [197]

Answer:

P_{CCl_4}=52.43torr

Explanation:

Hello there!

In this case, sine the solution of this problem require the application of the Raoult's law, assuming heptane is a nonvolatile solute, so we can write:

P_{CCl_4}=x_{CCl_4}P_{CCl_4}^{vap}

Thus, we first calculate the mole fraction of chloroform, by using the given masses and molar masses as shown below:

x_{CCl_4}=\frac{140/153.81}{140/153.81+67.1/100.21}=0.576

Therefore, the partial pressure of chloroform turns out to be:

P_{CCl_4}=0.576*91torr\\\\P_{CCl_4}=52.43torr

Regards!

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