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MrMuchimi
2 years ago
14

Lennard-jones potential diagrams, also called intermolecular potential energy diagrams, illustrate the relationship between the

potential energy of a molecule as the distance between the two nuclei changes.
Select all of the true statements regarding Lennard-Jones potential diagrams.

Chemistry
1 answer:
amm18122 years ago
7 0

Statement 3, 5 and 6 are true statements regarding Lennard-Jones potential diagrams

What is lennard- jones potential diagrams

  • It describes potential energy of interaction between two non-bonding atoms or molecules based on their distance of separation.
  • It illustrates the relationship between potential energy of a molecule as the distance between the two nuclei changes.

Statement 3 ,5 and 6 are correct statements

  • When attractive forces are greater than repulsive forces, the two nuclei will continue to come closer.
  • When attractive forces are smaller than repulsive forces, the two nuclei will continue to go farther.
  • Once a balance is found between attractive and repulsive forces, an equilibrium distance called bond length is achieved.

Learn more about lennard- jones potential diagrams at brainly.com/question/13348153

#SPJ13

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Calculate the hydroxide ion concentration [oh-] for human urine (ph = 6.2). notice this is about hydroxide.
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[OH⁻] = 1.6 × 10⁻⁸ mol / dm³

<h3>Explanation</h3>

By definition, [\text{H}^{+}] = 10^{-\text{pH}}, where [\text{H}^{+}] is the concentration of proton in the solution.

pH = 6.2 for this solution. As a result, [\text{H}^{+} = 10^{-6.2} = 6.31 \times 10^{-7} \; \text{mol} \cdot \text{dm}^{-3}.

[\text{H}^{+}] \cdot [\text{OH}^{-}] = \text{K}_w, where [\text{OH}^{-}] the concentration of hydroxide ions and \text{K}_w is the dissociation constant of water.

\text{K}_w = 10^{-14} \; \text{mol}\cdot \text{dm}^{-3} at 0.10 MPa and 25 °C. As a result, [\text{OH}^{-}] = \text{K}_w / [\text{H}^{+}] = 10^{14} / (6.31 \times 10^{-7}) = 1.6 \times 10^{-8} \; \text{mol}\cdot \text{dm}^{-3}.

5 0
3 years ago
Unknown # 29
sveticcg [70]

Answer:

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I hope this helps

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PLEASE HELP ME ASAP WITH THIS QUESTION!
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