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defon
4 years ago
7

You notice that two brothers have the same eye color. You are describing their

Chemistry
1 answer:
pickupchik [31]4 years ago
7 0
It is Their phenotype.
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A ________ can be defined as a very large molecule constructed from repeated molecular fragments or segments.
Semenov [28]
The Answer is D. a polymer is a substance that has a molecular structure consisting of a large number of similar units bonded together
7 0
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
Click on the alignment to view it at a larger size. Scan along the aligned sequences, letter by letter, noting any positions whe
miss Akunina [59]

Answer:

8 amino acids

Explanation:

Amino acids are referred to as organic compounds containing carboxylic acid functional groups and amine. Amino acids contain different elements such as nitrogen, hydrogen, carbon and oxygen. Examples of amino acids are glycine,  glutamic acid and alanine. In the given alignment, there are 8 amino acids between the sequence of human and monkey.

3 0
4 years ago
24-Complete the following sentence:
docker41 [41]

Answer:

B. Solvent

Explanation:

In osmosis, water always moves from low solute concentration to high solute concentration. SOLUTE NEVER MOVES AS IT CANNOT PASS THE SELECTIVELY PERMEABLE MEMBRANE. alot of caps but need to stress this concept cuz otherwise this concept gets very confusing

8 0
3 years ago
Examine the chemical equation Al + O2 Al2O3
AURORKA [14]
I think it is aluminum oxide

5 0
4 years ago
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