c/p fl 3 Flashcards

1
Q

capacitance

A

C = Q/V

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2
Q

how can you determine relative thermodynamic stability

A

-the amount of heat produced
- heats of combustion

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3
Q

ideal gas law

A

PV = nRT

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4
Q

ideal gas law value for R

A

8.314 J/mol or 0.0821 L*atm/mol * K

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5
Q

Kb > Ka

A

Kw/Ka = Kb
If Kb is greater than Ka, then that molecule is considered a base.

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6
Q

energy of activation

A

the minimum energy barrier necessary to be overcome by the reactants on the path to products.
Ea = activated complex minus the energy of the reactants.

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7
Q

period of a time varying signal

A

the time between consecutive pulses (shortest repitition time)
Pulse on + pulse off = period of a time varying signal

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8
Q

electric field is uniform between electrodes means that the electric field lines;

A

are eqally spaced at both electrodes and between them

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9
Q

oxidation agents

A

NAD+ and FAD

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10
Q

formation of a peptide bond creates what by-product?

A

water, H2O, 18 amu

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11
Q

Ph for aqueous solutions at 25C

A

[H3O+] x [OH-] = 10^-14

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12
Q

what coordinates with cations?

A

Lewis bases (electron donor)

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13
Q

heme

A

porphyrin, pyrrole ring: five sided heterocycle containing a nitogen atom

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14
Q

resistvity

A

inverse of conductivity.

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15
Q

cation exchange column

A

only binds to charged proteins, which only occurs when pH is less than the pI (isoelectric focusing points)

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16
Q

what part of a wave does NOT change when entering a new medium

A

FREQUENCY!!!

17
Q

When will water rise in a water column

A

Water will rise to a height such that the weight of the water column equals atmospheric pressure times the tube cross sectional area.

Weight = mg
m = density x V
density x h x A x g = atm x A