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Yanka [14]
3 years ago
5

Using the information learned from the pendulum demonstration, when the pendulum is at it's highest point, what type of energy d

oes it have and WHY?
Chemistry
1 answer:
irakobra [83]3 years ago
8 0

Answer:

When the pendulum is at it's highest point, it has potential energy.

Explanation:

At its highest point, the pendulum is momentarily motionless. All of the energy in the pendulum is gravitational potential energy and there is no kinetic energy.

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Indicate the peptides that would result from cleavage by the indicated reagent: a. Gly-Lys-Leu-Ala-Cys-Arg-Ala-Phe by trypsin b.
Ilia_Sergeevich [38]

Answer:

a. Gly-Lys + Leu-Ala-Cys-Arg + Ala-Phe

b. Glu-Ala-Phe + Gly-Ala-Tyr

Explanation:

In this case, we have to remember which peptidic bonds can break each protease:

-) <u>Trypsin</u>

It breaks selectively the peptidic bond in the carbonyl group of lysine or arginine.

-) <u>Chymotrypsin</u>

It breaks selectively the peptidic bond in the carbonyl group of phenylalanine, tryptophan, or tyrosine.

With this in mind in "peptide a", the peptidic bonds that would be broken are the ones in the <u>"Lis"</u> and <u>"Arg"</u> (See figure 1).

In "peptide b", the peptidic bond that would be broken is the one in the <u>"Phe"</u> (See figure 2). The second amino acid that can be broken is <u>tyrosine</u>, but this amino acid is placed in the <u>C terminal spot</u>, therefore will not be involved in the <u>hydrolysis</u>.

3 0
3 years ago
Draw the lewis formula for chlorobenzene, a benzene derivative. include all hydrogen atoms and lone pairs.
larisa86 [58]
<span>Chlorobenzene is an aromatic organic compound with the chemical formula C6H5CI. This of benzene in the presence of a catalytic amount Lewis acid such as ferric chloride, sulfur dichloride, and anhydrous aluminum chloride. Upon entering the body, typically via contaminated air, chlorobenzene is excreted both via the lungs and the urinary system.</span>
4 0
4 years ago
1 Point
Usimov [2.4K]

Answer:

  • <u><em>B. Structural</em></u>

Explanation:

The <em>atomic </em>or molecular <em>formula </em>represents each kind of atom by its chemical symbol and the number of each kind of atom by a subscript, but it does not show how they are connected. Thus, many different compounds have the same atomic or molecular formula.

The <em>skeletal formula</em> is a kind of abbreviated molecular formula in which the carbon and hydrogen atoms are not indicated but are understood. The skeletal formula shows the chain, the double and triple bonds, and the atoms different to carbon and hydrogen. Each vertex on the chain represents on carbon atom, and the hydrogen atoms (not shown) are the needed to complete the four valence electrons of each carbon atom.

The<em> structural formula </em>shows each atom, using the chemical symbol,  and how they are connected in the compound, i.e. the bonds, using short lines.

For instance, the structural formula for the simplest organic compound, methane, CH₄, is:

              H

               |

       H -  C -  H

               |

              H

4 0
3 years ago
Be sure to answer all parts.
djyliett [7]

The number of moles contained in each of the question are a) 3.935 and b) 0.001165 mol.

<h3>What are moles?</h3>

Moles are a quantity or amount of a substance. Denoted by n.

To calculate moles, mass is divided by the molar mass

n = m/M

mass is divided by the molar mass

a) 230 grams of NaCl

n = m/M

molar mass of NaCl is 58.44 g/mol

n = 230 / 58.44 = 3.935 mol

b) 0.210 g of aspirin

n = m/M

molar mass of aspirin is 180.158 g/mol

n = 0.210 / 180.158 = 0.001165 mol

Thus, the moles are a) 3.935 and b) 0.001165 mol.

Learn more about moles

brainly.com/question/26416088

#SPJ1

4 0
2 years ago
The thinnest blood vessels in your body are the____ .
Ymorist [56]
The correct word to fill the blank in the sentence is "capillaries". The thinnest blood vessels in your body are the capillaries. These are the blood vessels that blood is able to transfer sugars and oxygen into the tissues.
4 0
3 years ago
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