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Nesterboy [21]
3 years ago
14

A scientist carries out an experiment how could she help other scientists judge the validity

Chemistry
2 answers:
miskamm [114]3 years ago
7 0
Logging her results of change day-by-day in a scientific journal. As well as provide as much evidence as possible to support her claim.
Mumz [18]3 years ago
7 0

The correct answer is B) let other scientists closely review her work.

<em>A scientist carries out an experiment. She could help other scientists judge the validity of her results by letting other scientists closely review her work.</em>

The scientist that has a discovery can have validation of its exériment if it allows other scientists to review its procedures, the methods, the results, and the way the scientists applied the scientific method during its research. This way the scientist can confirm that its work was good, valid, and can publish its conclusions in a scientific journal.

The other options of the question were A) use confusing language in her report, C) prevent others from seeing her data, and D) keep her experimental procedure a secret.

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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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