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Ksenya-84 [330]
2 years ago
8

Which of the substances evaporated first? and Which of the substances evaporated least?

Chemistry
1 answer:
Nuetrik [128]2 years ago
8 0

Answer:

The strength of the intermolecular forces in isopropyl alcohol are in between water and acetone, but probably closer to acetone because the water took much longer to evaporate. ... Acetone does not participate in hydrogen bonding, so its intermolecular forces are comparatively weaker, and it evaporates most quickly.

Explanation:

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“Highest molecular motion, highest kinetic energy, no forces of attraction, least dense packaging of molecules.” which state of
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I think its c because solid,liquid nor plasma really fits to the description and i don't really know the last one so the best option is probably C. 
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1. All ___matter______ is made of atoms that cannot be ______________________ or ____________________. 2. All _______________ of
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Answer:

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What is the formula for manganese (ii) fluoride decahydrate? (you may use a * to represent the dot in the formula.)?
Rasek [7]
These types of molecules are called hydrates. They have a certain number of moles attached to the salt. Their characteristic is being hygroscopic. That means that when they are exposed to air, they readily solvate. 

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4 0
2 years ago
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Given the balanced equation below, calculate the moles of aluminum that are needed to react completely with 28.7 moles of FeO. Y
Alexxx [7]

Answer:

43.05 moles of Al needed to react with 28.7 moles of FeO.

Explanation:

Given data:

Moles of FeO = 28.7 mol

Moles of Al needed to react with FeO = ?

Solution:

Chemical equation:

2Al + 3FeO → 3Fe + Al₂O₃

Now we will compare the moles of Al with FeO.

                            FeO        :           Al

                             2            :            3

                          28.7          :         3/2×28.7 = 43.05 mol

Thus 43.05 moles of Al needed to react with 28.7 moles of FeO.

8 0
3 years ago
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