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11111nata11111 [884]
3 years ago
5

Which statement best describes the message of the poem? *

Chemistry
2 answers:
aliya0001 [1]3 years ago
8 0
Can you include the pome pls

garik1379 [7]3 years ago
3 0
Aaaaaaaaaaaaaaaaaaaaaaaaasssaaa
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A smoke sample contains dust particles and several different gases, which have different combinations of molecules. the dust par
Vsevolod [243]
The sample of smoke described above can be described as a heterogeneous mixture. This type of mixture do not have uniform properties and composition. So, getting a certain small sample would not represent the whole mixture since it does not have uniform composition. 
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3 years ago
Which interactions and processes contribute to the dissolution of ionic compounds in water?
Tanya [424]

Explanation:

Polarity is defined as the development of partial charges on the atoms of a molecule. In a water molecule, there are hydrogen and oxygen atoms.

Due to the difference in electronegativity of both hydrogen and oxygen atom there is development of partial positive charge on hydrogen atom and a partial negative charge on oxygen atom.  

So, when bond between hydrogen and oxygen will break down then it will form hydrogen ions (H^{+}) and oxygen ions (O^{2-}).

Ion-dipole interactions are defined as the interactions that occur when an ion interacts with the dipole of a molecule.

When an electron is added to a neutral atom to convert it into a negative ion then the amount of change taking place in its energy is known as electron affinity.

So, oxygen atom has an affinity towards cations and hydrogen atom has an affinity for anions.

Thus, we can conclude that following interactions and processes contribute to the dissolution of ionic compounds in water:

1. Affinity of oxygen towards cations

2. Ion–dipole interactions

4. Hydration

6. Affinity of hydrogen towards anions

3 0
3 years ago
In order to complete a convection current, the rising material must eventually ____ Earth.
MissTica
Hello there.

Question: <span>In order to complete a convection current, the rising material must eventually ____ Earth.

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7 0
3 years ago
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A student is trying to solve the following problem by selecting the tile shown.
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In my opinion, the correct answer among the choices presented above is option D. A student is trying to solve the following problem by selecting the tile shown. With this method, t<span>here is nothing wrong. The problem is ready to be solved.

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3 years ago
An ice cube and a scoop of table salt are left outside on a warm sunny day. explain why the ice cube melts and the salt does not
Anna11 [10]

The melting point of ice is 0 degrees Celcius, which means it exists as a liquid for any temperatures above 0 degrees. The melting point of salt is approximately 800 degrees Celcius, which is way greater than the melting point of ice. This means that for temperatures below 800 degrees, salt exists as a solid.

The temperature of the area where they were placed we can assume was somewhere between 0 and 800 degrees, greater than the melting point of ice but less than the melting point of salt. This why the ice melted but the salt did not.

I hope this helps!

3 0
2 years ago
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