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Vesna [10]
3 years ago
5

Which states of matter only appear in the hydrosphere

Chemistry
1 answer:
Oliga [24]3 years ago
7 0
I would say the answer is liquids
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Could you post another question with a photo? I am sorry...
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3 years ago
The reaction between alcohols and carboxylic acids is called
aleksandrvk [35]

Explanation:

When a carboxylic acid is treated with an alcohol and an acid catalyst, an ester is formed (along with water). This reaction is called the Fischer esterification.

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3 years ago
Name two compounds with more exothermic lattice energies than scandium oxide and justify your choice.
N76 [4]

Answer:

1 . Al_2O_3

2. TiO_2

Explanation:

The more stable the ionic compound, the more is it lattice energy.

  • The more the charge on the cation and the anion, the greater is the lattice energy.
  • The less the size of the cation and the anion, the greater is the lattice energy.

Scandium oxide (Sc_2O_3) is an oxide in which Sc^{3+} behaves as cation and O^{2-} behaves as anion.

The compounds which has higher lattice energy than scandium oxide are:

1 . Al_2O_3

This is because the charge are same on the cation and the anion as in the case of the Scandium oxide but the size of the cation Al^{3+} is smaller than Sc^{3+}. Thus, this corresponds to higher lattice energy.

2. TiO_2

This is because the charge on the cation Ti^{4+} is greater than that of Sc^{3+} and also the size of the cation Ti^{4+} is smaller than Sc^{3+}. Thus, this corresponds to higher lattice energy.

3 0
3 years ago
What’s love?why is it important ?
Leno4ka [110]

Answer:

It's the Key to All Relationships. At the basis of all other emotions within a relationship is the sensation of love. When you feel loved, you feel less pressure, less alone, less anxiety, more secure, more confident, and more important.

Explanation:

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Need help with this
Evgesh-ka [11]

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- Ribosome builds proteins.

- A vesicle structure is kinda like a sac filled with a fluid of sorts.

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The cytoskeleton of a cell is made up of microtubules, actin filaments, and intermediate filaments.

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- The cytosol contains an organized framework of fibrous molecules that constitute the cytoskeleton

8 0
2 years ago
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