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gogolik [260]
2 years ago
5

Draw a formula for Thr-Gly-Ala (T-G-A) in its predominant ionic form at pH 7.3. You may assume for the purposes of this question

that the pKa values of the acidic groups of amino acid residues in the peptide are the same as in the amino acid itself.
Chemistry
1 answer:
Rudiy272 years ago
8 0

Answer:

gggggggggg

Explanation:

gggggggg

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A 59.1 sample of aluminum is put into a calorimeter (see sketch at right) that contains of water. The aluminum sample starts off
Gemiola [76]

Answer:

Specific heat capacity of aluminium is 0,863 J/g°C

Explanation:

<em>Values: 250g of water, aluminum sample starts off at 91.3°C, water starts off at 16.0°C, temperature of the water stops changing it's 19.5°C</em>

In this problem, the heat produced for the aluminium is the same consumed by water. The heat consumed by water is:

Q = C×m×ΔT <em>(1)</em>

Where C is specific heat of water (4,184J/g°C), m is mass of water (250,0g) and ΔT is change in temperature of water (19,5°C-16,0°C = 3,5°C)

Replacing:

Q = 4,184J/g°C×250,0g×3,5°C

<em><u>Q = 3661 J</u></em>

Using (1), it is possible to obtain specific heat of aluminium, thus:

Q / (m×ΔT) = C

Where Q is heat (3661J), m is mass (59,1g) and ΔT is change in temperature (91,3°C - 19,5°C( = 71,8°C

Replacing:

3661J / (59,1g×71,8°C) = C

<em>C = 0,863 J/g°C</em>

I hope it helps!

4 0
3 years ago
Choose the number of significant figures indicated 0.06
Alex17521 [72]

Answer:

2

Explanation:

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How does pollution affect air resources?
tatiyna

Answer: it gets inside the air and then it infects the air's resourses

Explanation:

7 0
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At which point on the roller coaster will the car have the greatest amount of Kinetic energy?
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I’m going to say the answer is most likely X because memetic energy is energy being used at that moment. Because the coaster is going fastest at X we can assume that the answer is X
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The ion with a +3 charge 28 electrons and mass number of 71
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Answer:

Good luck!

Explanation:

6 0
2 years ago
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