Intro to Intermolecular Forces Flashcards

1
Q

hydrogen bond acceptor

A

lone electron pair in a polar bond

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2
Q

hydrogen bond donor

A

H in a polar covalent bond

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3
Q

rank h bonds, vdw, and covalent bonds from shortest to longest

A

covalent, h, vdw

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4
Q

enthalpy

A

realized from making and breaking covalent bonds or ionic interactions can calculate form bond energies

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5
Q

delta G plus sign thing

A

speed at which equilibrium is approached

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6
Q

delta G

A

determines the equilibirum that is eventually reached

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7
Q

1 kcal

A

4.18 kJ

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8
Q

what makes a molecule polar

A

unequal sharing of electrons in covalent bonds

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9
Q

dipole moment

A

charge x separation

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10
Q

hydrogen bonds are part

A

electrostatic and part covalent

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11
Q

why are the distance and angle of h bonds strained

A

partial covalent character

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12
Q

strongest H bonds form at

A

180

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13
Q

distance two atoms in h bond

A

2.9 a

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14
Q

distance betewen two atoms in wdv

A

3.4 A

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15
Q

rank IMFs

A

london (4)
dipole (10)
h bonds (40)
ionic (100)

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