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harkovskaia [24]
3 years ago
14

Qué método utilizaría para separar los componentes de una mezcla de: limaduras de hierro, azufre en polvo y piedras?

Chemistry
1 answer:
Pachacha [2.7K]3 years ago
8 0

Answer:

Traducción por favor

Explanation:

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The volume of a fixed mass of a liquid sample increases as the temperature rises from 20 to 40˚c. does the density increase, dec
Mandarinka [93]
Density is the ratio of the substance's mass to volume. To know the effects of temperature on the density of the liquid, we must look at the mass and volume dependence. Mass is always constant, so it is not affected by temperature. For volume, generally, the molecules of the liquid occupy a greater space when heated because of the rapid collisions of the liquid molecules. Thus, as temperature increases, the volume of liquid also increases, although slightly only. That means that density would decrease.
3 0
3 years ago
The diagram below represents a beaker of water being heated by a flame. The arrows represent heat
Charra [1.4K]

Answer:

condensation

Explanation:

when heated beaker sed condensation

4 0
3 years ago
HURRYYY!!!!<br> How many moles of salt do you have, if you have 5.00 x 10^26 formula units of salt?
Nikitich [7]

Answer:

<h2>830.56 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L}\\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{5.00 \times  {10}^{26} }{6.02 \times  {10}^{23} }  \\  = 830.5647..

We have the final answer as

<h3>830.56 moles</h3>

Hope this helps you

6 0
3 years ago
Which group is least reactive of all the elements
Talja [164]
The group is called the noble gas i think
3 0
3 years ago
Please help y’all I don’t understand
ycow [4]

Answer:

Both atoms achieve a more stable configuration

Explanation:

3 0
3 years ago
Read 2 more answers
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