Bond length and bond energy | AP Chemistry | Khan Academy
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- Опубліковано 25 лис 2019
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A diatomic molecule can be represented using a potential energy curve, which graphs potential energy versus the distance between the two atoms (called the internuclear distance). From this graph, we can determine the equilibrium bond length (the internuclear distance at the potential energy minimum) and the bond energy (the energy required to separate the two atoms). View more lessons or practice this subject at www.khanacademy.org/science/a...
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Spring analogy was honestly genius.
This is Deep! All the years I have studied about bond energy and memorized them.But now it make sense!
Thanks Sal! May Allah bless you with knowledge and success!
Thank u very much 🤩 I was struggling with this since it’s quarantine this video help a lot
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Incredible
thanku sir
I don't understand how the y-axis is functioning in this graph. How does adding potential energy result in reaching zero potential energy? (ADD until you reach ZERO?) You put in energy, but the final result is a reduction in energy?
Would greatly appreciate the help.
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Why using negative in bond energy?
It is potential.energy and negative sign represent the stable system ie attractive force in system
@@mr.lonely1213 so its incresing or decreasing?
@@mumkichux it's not about Inc. or Dec. , for example
(P. E.)1=50 J { potential energy of system 1 }
(P. E.)2=-50 J {potential energy of system 2}
Here (P. E.)1=(P. E.) 2
The sign only represents the interaction, negative represent attraction means more stable whereas positive represent repulsion means unstable
And zero represent no interaction ( like u can see in graph that as we increase the distance bw H atom, P. E. tends to zero)
@@mr.lonely1213 my teacher taught that during attraction energy of the body decreases.
@@mr.lonely1213 we say that if there is attraction force so system will lower its energy but if we look at this graph its increasing in negative direction and seems to go towards -infinity, so how its lowering its energy? negative sign only shows that there is attraction force , RIGHT?
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