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prisoha [69]
3 years ago
9

Where would you place the location of a reference point in order to describe the motion of a space probe traveling from Earth to

Jupiter
Chemistry
1 answer:
Scorpion4ik [409]3 years ago
4 0
My personal choice for a reference point would be the center of the Sun. That would most clearly reveal all of the motions involved.
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How do protons determine element identity
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If 5.55 moles of gas have a volume of 12.2 L, what is the new volume when the moles of
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The activation energy for proline isomerization of a peptide depends on the identity of the preceding residue and obeys Arrheniu
MAVERICK [17]

Answer:

Activation energy of phenylalanine-proline peptide is 66 kJ/mol.

Explanation:

According to Arrhenius equation-     k=Ae^{\frac{-E_{a}}{RT}}    , where k is rate constant, A is pre-exponential factor, E_{a} is activation energy, R is gas constant and T is temperature in kelvin scale.

As A is identical for both peptide therefore-

                                   \frac{k_{ala-pro}}{k_{phe-pro}}=e^\frac{[E_{a}^{phe-pro}-E_{a}^{ala-pro}]}{RT}

Here \frac{k_{ala-pro}}{k_{phe-pro}}=\frac{0.05}{0.005} , T = 298 K , R = 8.314 J/(mol.K) and E_{a}^{ala-pro}=60kJ/mol

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So, activation energy of phenylalanine-proline peptide is 66 kJ/mol

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3 years ago
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