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mestny [16]
3 years ago
8

Write a scientific explanation that compares the electrical forces of ethanol, hexane, and water.

Chemistry
1 answer:
olchik [2.2K]3 years ago
5 0

Answer:

"Water and ethyl alcohol will both have dipole-dipole interactions.

Technically they will both have Hydrogen bonding, which is a type of dipole-dipole. This is due to the high electronegativity values of oxygen atoms compared to the carbon and hydrogen atoms the oxygens bond to. This causes regions of both of these molecules that have partial negative charges and other regions wind up with partial positive charges.

Hexane will not have any dipole-dipole interactions because it is a non-polar molecule. The intermolecular forces between hexane molecules will be dispersion forces."

Explanation:

Here is the place I found the answer:  https://socratic.org/questions/which-of-these-structures-has-dipole-dipole-interactions-water-h2o-ethyl-alcohol

All of this answer belongs to that person. I do not own any of this information.

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One mole of a metallic oxide reacts with one mole of hydrogen to produce two moles of the pure metal
MAXImum [283]

Answer:

The metallic oxide is Li₂O

Explanation:

Let the metallic oxide be M₂O

Thus;

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We assume Molar mass of M to be x.

We are told that 5.00 g of the metallic oxide produces 2.32 g of the metal.

By proportion, we can write the following;

5g of M₂O × (1 mole of M₂O/(2x + 16)) × (2 moles of M/1 mole of M₂O) = 2.32 g of M × 1 mole of M/x g of M

This cancels out to give us;

10/(2x + 16) = 2.32/x

Cross multiply to get;

10x = 2.32(2x + 16)

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10x - 4.64x = 37.12

5.36x = 37.12

x = 37.12/5.36

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The metal with a molar mass closest to this value of x is Lithium which has a molar mass of 6.94 g/mol

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6 0
3 years ago
I need help! :)
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Answer:

Metamorphic!

Explanation:

I hated this science test too, but this is the answer. Good luck!:)

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