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soldi70 [24.7K]
3 years ago
15

What is the name of the bond that joins amino acids

Chemistry
1 answer:
Vikki [24]3 years ago
9 0

peptide bond

can i pleaseeeeeee have brainly bro or girl it helps thanks

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The answer to this is 22, confirmed by gradpoint
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What is the volume, in liters, of 2.00 moles of hydrogen at STP?
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The volume of one mole of any gas at STP is 22.4 L. So, at STP, the volume of 2.00 moles of hydrogen gas would be (22.4 L/mol)(2 mol H2) = 44.8 L.
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Why is refraction so important in eyeglasses.
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7 0
3 years ago
Please help!!! Stoich Question
Greeley [361]

Answer:

4KO₂ + 2CO₂ -> 2K₂CO₃ + 3O₂

<u> Step 1: Find the moles of O₂.</u>

n(O₂) = mass/ Mr.

n(O₂) = 100 / 32 = 3.125 mol

<u>Step 2: Find the ratio between KO₂ and O₂.</u>

        <u>KO₂ </u>    :      <u> O₂</u>

          4        :       3

        4/3       :       1

  (4*3125)/3  :      3.125

=4.167 mol of KO₂

Thus now we know, to produce 100 g of O₂, we need 4.167mol of KO₂

<u>Step 3: Find the mass of KO₂:</u>

<u />

mass = mol * Mr. (KO₂)

Mass = 4.167* 71.1

Mass = 296.25 g

5 0
2 years ago
Ammonia is the most common and well-known weak base. A sample of household ammonia has a pH of 11.8. Determine its concentration
Galina-37 [17]

The given question is incomplete. The complete question is:

A sample of household ammonia has a pH of 11.50. What is the hydronium ion concentration of this solution?

Answer: The hydronium ion concentration of the solution is 1.58\times 10^{-12}M

Explanation:

pH or pOH is the measure of acidity or alkalinity of a solution.

pH is calculated by taking negative logarithm of hydrogen ion concentration. Acids have pH ranging from 1 to 6.9 and bases have pH ranging from 7.1 to 14.

NH_3+H_2O\rightarrow NH_4^++OH^-

pH=-\log [H^+]

11.8=-log [H^+]

[H^+]=antilog(-11.8)

[H^+]=1.58\times 10^{-12}M

Thus hydronium ion concentration of this solution is 1.58\times 10^{-12}M

7 0
3 years ago
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