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sdas [7]
3 years ago
9

Help will mark most brainliest

Chemistry
2 answers:
kolezko [41]3 years ago
5 0

Answer:

same all i see is a black screen sorry i couldn't help

Explanation:

Fantom [35]3 years ago
4 0
All i are is a black screen
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<span>An atom's inability to react with all elements in the same way" is the only factor from the given list which impacts the possible number of ways in which different atoms can be put together, since atoms of any given element may or may not react with atoms of another element, depending on various factors ...</span>
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Use the kinetic theory to explain why a windy day is a good drying day?​
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Solubility. In each of the following pairs of amino acids, identify which amino acid would be most soluble in water: (a) Ala, Le
Svetllana [295]

Answer:

(a) Ala; (b) Tyr; (c) Ser; (d) His

Explanation:

The general formula for an amino acid is NH₂-CH(R)-COOH

The differences among the different amino acids is caused by the side groups R.

(a) Ala, Leu

Ala: R =                 CH₃-

Leu: R = (CH₃)₂CHCH₂-

Leucine has a larger hydrophobic side group. It should be the less soluble of the pair,

Alanine is the more soluble amino acid.

(b) Tyr, Phe

Tyr: R = HOC₆H₄CH₂-

Phe: R =      C₆H₅CH₂-

Tyrosine has a polar OH group. It can form hydrogen bonds with water.

Tyrosine is the more soluble amino acid.

(c) Ser, Ala

Ser: R = HOCH₂-

Ala: R =       CH₃-

Serine has a polar OH group. It can form hydrogen bonds with water.

Serine is the more soluble amino acid.

(d) Trp, His

Trp: R =       Indole-CH₂-

His: R = Imidazole-CH₂-

Tryptophan has a large aromatic hydrophobic side chain.

Histidine is a basic amino acid. At pH 7 it exists mainly as the anion NH₂CHRCOO⁻, which is hydrophilic.

Histidine is the more soluble amino acid.

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3 years ago
11.Calculate the molar mass of Fe2(SO3)3
Leno4ka [110]

Answer:

The molar mass and molecular weight of Fe2(SO3)3 is 351.8796.

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3 years ago
I need help Please help me
rodikova [14]
1A 3
2A 1

1B 2
2B2

1C1
2C3
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4 years ago
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