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Gen Chem I > Exam 4 > Flashcards

Exam 4 Flashcards

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1
Q

principal quantum number

A

has to deal with size, n and total nodes is n-1

n=1 to infinity

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2
Q

angular momentum or azimuthal

A

has to do with shape, energy in multi electron atoms.

l=0 to n-1
planar nodes = l

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3
Q

magnetic

A

orientation

ml goes to -l to + l

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4
Q

n is

A

principal quantum number

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5
Q

l

A

angular momentum or azimuthal

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6
Q

ml is

A

magnetic number

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7
Q

ms is

A

spin

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8
Q

when l is 0

A

orbital is s

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9
Q

l is 1

A

p orbital

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10
Q

l is 2

A

d orbital

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11
Q

how many angular/planar nodes

A

l

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12
Q

how many radial nodes

A

n-l-1

but just n-1 if its in principal quantum num

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13
Q

D =

A

is supposed to be delta symbol - See lecture notes for clarification

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14
Q

photon energy is

A

h times frequency

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15
Q

c is

A

frequency lamda

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16
Q

momentum is

A

h/λ

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17
Q

kin energy is

A

KE = ½ mv2

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18
Q

total energy using systems is

A

E = KEsys + PEsys

19
Q

Q IS

A

mcdelta t

20
Q

delta e is

A

∆E = q + w

heat and work

21
Q

∆E and heat

A

heat and volume

= qV

22
Q

delta h with delta e

A

∆H = ∆E + P ∆V

pressure

23
Q

∆H= qp

A

heat and pressure

24
Q

delta h rxn

A

∆H°rxn = ∆H° products − ∆H° reactants

25
Q

delta h rxn

A

∆Erxn = BEreactants − BEproducts

26
Q

state functions

A

energy, enthalpy, temp, vol and press

27
Q

path functions

A

heat and work

28
Q

enthalpy of formation is

A

products - reactants

29
Q

bond e

A

reactants- products

30
Q

same charge, small distance

A

has high repulsion and high el

31
Q

same charge, greater separation

A

less repulsion and lower el

32
Q

different charge, small separation

A

greater attraction and lower el

33
Q

different change, large separation

A

less attraction and higher el

34
Q

draw the electrostatic potential curve

A

ha

35
Q

gases move at

A

different speeds, even same species

36
Q

pressure volume work

A

NEGATIVE pdelta v = w

37
Q

as you decrease the distance between two particles, what happens to the absolute value of the magnitude of the el?

A

it increases

38
Q

nodes vs density

A

nodes have low amplitude and low density

39
Q

radial probability distribution curve peaks

A

show the n number

40
Q

radial probability distribution curve dips

A

show the nodes

41
Q

Photoelectric effect

A

when you hit a material with radiation, electrons will come off it

42
Q

bond energy is

A

always positive

43
Q

go look at the lecture questions

A

HA

Gen Chem I (4 decks)

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