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Sveta_85 [38]
3 years ago
7

when working on a project a scientist discovers that some of the data she was basing her research on was not accurate. what shou

ld the scientist do?
Chemistry
1 answer:
kvv77 [185]3 years ago
8 0
Go back and review data, and look for an alternate source. This time, they should check to make sure they are getting their data from a reliable source. 
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MULTIPLE CHOICE<br> What is the molality (m) of 3.5 mol of sugar in 2.5 kg of water?
otez555 [7]

The molality of the solution is 1.4 moles per kilogram (molal).

The molality of the solution is equal to the number of moles of sugar (solute) divided by the number of kilograms of water (solvent). Hence, the molality is determined below:

m = \frac{3.5\,mol}{2.5\,kg}

m = 1.4\,\frac{mol}{kg}

The molality of the solution is 1.4 moles per kilogram (molal).

We kindly invite to check this question on molality: brainly.com/question/4580605

5 0
2 years ago
Scientists measure the volume of a liquid in which units of measure?
ICE Princess25 [194]
Ml
{ml}^{3}
7 0
4 years ago
The density of concentrated nitric acid (HNO3) is 1.413 g/mL. What volume in liters would be occupied by a mass of 47.2 g?
DerKrebs [107]

Answer:

The volume that a mass of 47.2 g would occupy is 0.0334 L

Explanation:

Density is the property that matter, whether solid, liquid or gas, has to compress into a given space. Density is defined as the amount of mass it has per unit volume, that is, the ratio between the mass of a body and the volume it occupies:

Density=\frac{mass}{volume}

This indicates that density is inversely proportional to volume: the smaller the volume occupied by a given mass, the higher the density.

In this case:

  • density= 1.413 g/mL
  • mass= 47.2 g
  • volume=?

Replacing:

1.413 \frac{g}{mL}=\frac{47.2 g}{volume}

Solving:

volume=\frac{47.2 g}{1.413\frac{g}{mL} }

volume=33.40 mL

Being 1,000 mL= 1 L:

volume= 0.0334 L

<u><em> The volume that a mass of 47.2 g would occupy is 0.0334 L</em></u>

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4 years ago
Which type of substance have a definite shape and fixed volume?
IRINA_888 [86]
The answer is A. Solids only
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3 years ago
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What is room temperature in kelvins
Alexeev081 [22]

Answer:

295.372

It should be right because Room Temperature is 72F

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3 years ago
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