Erika Shared "Chemistry Picmonics" - 3 Picmonics

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Chemistry Picmonics

Hydrogen Bonds
Stronger than London Dispersion Forces
Stronger than Dipole-Dipole Interactions
Hydrogen is bound to a Highly Electronegative Atom
Hydrogen has a Partial Positive Charge
Electronegative Atom has a Partial Negative Charge
Partial Positives Interact with Partial Negatives
Hydrogen Bonds Increase Boiling Point
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1 min
Spontaneous vs. Nonspontaneous
Spontaneous at Low Temperatures
ΔH is Negative
ΔS is Negative
Spontaneous at High Temperatures
ΔH is Positive
ΔS is Positive
Spontaneous at All Temperatures
ΔH is Negative
ΔS is Positive
Nonspontaneous at All Temperatures
ΔH is Positive
ΔS is Negative
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2 mins
Gibbs Free Energy
ΔG = ΔH-TΔS
If ΔG is Negative, the reaction is Spontaneous
If ΔG is 0, the reaction is at Equilibrium
If ΔG is Positive, the reaction is Nonspontaneous
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58 secs

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