Final Flashcards

1
Q

Dispersion forces

A

occur between all molecules, only force between non-polar molecules

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2
Q

Dipole-dipole

A

net separation of charge

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3
Q

Hydrogen Bonding

A

Hydrogen bonded to F, O, N

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4
Q

Ion-Dipole

A

strong interactions between ions of opposite charge

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5
Q

Molarity (M)

A

moles solute/L solution

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6
Q

Molality (m)

A

moles solute/kg solvent

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7
Q

mole fraction (Xa)

A

moles of A/total moles

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8
Q

ΔT(fp) = ?

A

-Kfp * m(solute) * i

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9
Q

ΔT(bp) = ?

A

Kbp * m(solute) * i

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10
Q

P(solution) = ?

A

X(solvent) * P°(solvent)

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11
Q

i = ?

A

moles of particles in solution/moles of solute dissolved

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12
Q

Zero Order integrated rate law equation and graph

A

[A]t = -kt + [A]o
y-int: [A]
x-int: time
slope: -k

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13
Q

First Order integrated rate law equation and graph

A

ln([A]t/[A]o) = -kt
y-int: ln[A]
x-int: time
slope: -k

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14
Q

Second Order integrated rate law equation and graph

A

1/[A]t = kt + 1/[A]o
y-int: 1/[A]
x-int: time
slope: k

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15
Q

1st order half life

A

t(1/2) = 0.693/k

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16
Q

pH = ? (2 equations)

A

-log[H3O+]

pKa + log([A-]/[HA])

17
Q

Ka * Kb = ?

A

[H3O+]{OH-] = 1.00*10^(-14)

18
Q

pKa = ?

19
Q

ΔS(system)° = ?

A

Σ[(nΔS(f)° products)] - Σ[(nΔS(f)° reactants)]

20
Q

ΔG = ? (3 equations)

A

ΔG° + RTln(Q)
ΔH - TΔS(system)
-RTln(K)

21
Q

E°(cell) = ?

A

E°(cathode) - E°(anode)

22
Q

ΔG° = ?

A

-nFE°(cell)

23
Q

E(cell) = ?

A

E°(cell) - (.0592/n)*log(Q)

24
Q

ΔE = ? *binding energy

A

(Δm)*c^2

  • m = mass (g)
  • c = 3.00*10^8 meters/seconds
25
Ratio of Decay equation
ln[N(t)/N(0)] = -kt
26
Alpha decay
``` loss of (4,2)He *in the products ```
27
Beta decay
(0,-1)e | *in the products
28
Positron emission
(0,+1)e | *in the products
29
Electron capture
(0,-1)e | *in the reactants
30
Fission
Generates lighter atoms from heavier ones
31
Fusion
Generates heavier atoms from lighter ones | (2,1)H + (2,1)H --> (3,2)He + (1,0)n
32
Lewis acid
accepts lone pair
33
Lewis base
donates lone pair
34
A (amperes) = ?
Coulomb/seconds
35
Faraday's Constant
96,485 Coulomb/mol of e-
36
If the N/Z ratio is too high, then...
beta decay
37
If the N/Z ratio is too low, then...
Positron emission or Electron capture