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Vanyuwa [196]
4 years ago
6

What does it mean when say that a 200-ml sample and a 400-ml sample of a solution of salt have the same

Chemistry
1 answer:
raketka [301]4 years ago
7 0

Answer:

<em>Read explanation.</em>

Explanation:

Molarity is a unit used to measure the \frac{solute}{solution} ratio per unit volume of the solution. So, in other words, and in our case, we call it the \frac{moles~of~salt}{per~ml~of~solution} ratio.

So, the amount of solute (moles of salt) per ml of solution will be the same, but the number of moles in each solution will be obviously different.

Hope it helped,

BiologiaMagister

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Answer:

163 kilograms per cubic feet.

Explanation:

To solve this problem, first we <u>convert 5.77 g/cm³ to kg/cm³</u>:

  • 1000 g = 1 kg
  • 5.77 g/cm³ * \frac{1kg}{1000g} = 5.77x10⁻³ kg/cm³

Then we <u>convert kg/cm³ to kg/ft³</u>, by <em>converting cm³ to ft³</em>:

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  • 5.77x10⁻³ kg/cm³ * (\frac{1cm}{0.394in})^3*(\frac{12in}{1ft} )^3= 163 kg/ft³

So the density is 163 kilograms per cubic feet.

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3 years ago
Two scientists, Tara and Victor, work in the same scientific field of study. Victor asks Tara to review a research paper that he
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Answer:

Tara does not get the same results when she conducts the experiment

Explanation:

<em>The most likely reason Tara suggested to Victor to perform the experiment again before publication would be because she did not get the same results when she conducted the experiment.</em>

A good scientific research or experiment should have an element of reproducibility. In order words, the claim made in published scientific research should be reproducible by any other scientist that decides to replicate the research. <u>Tara repeated Victor's experiment in order to check its reproducibility and when she could not reproduce the results, she had to tell Victor to conduct the experiment again before deciding to publish it.</u>

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Can someone answer these questions for me please?
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Explanation:

5 0
4 years ago
Question 1
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2. A bond between two atoms

3. covalent bond

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