Math - Units and Logs Flashcards

1
Q

tera (T)

A

10^12

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2
Q

giga (G)

A

10^9

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3
Q

mega (M)

A

10^6

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4
Q

kilo (K)

A

10^3

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5
Q

hecto (h)

A

10^2

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6
Q

deka (da)

A

10^1

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7
Q

deci (d)

A

10^-1

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8
Q

centi (c)

A

10^-2

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9
Q

milli (m)

A

10^-3

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10
Q

micro (u)

A

10^-6

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11
Q

nano (n)

A

10^-9

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12
Q

pico (p)

A

10^-12

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13
Q

1 mile in feet

A

1 mile = 5280 feet

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14
Q

1 Calorie (Cal-uppercase) in cal-lowercase

A

1 Cal/Calorie = 1000 cal

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15
Q

1 calorie (cal) in Joules

A

1 cal/calorie = 4.184 J

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16
Q

1 electron-volt (eV) in joules

A

1 electron-volt (eV) = 1.602 * 10^-19 J

17
Q

1L in ounces

A

1L = 33.8 ounces (oz)

18
Q

1 pound (lb) in N

A

1 pound (lb) = 4.45 N

19
Q

1 atomic mass unit (amu) in kg

A

1 atomic mass unit (amu) = 1.6 * 10^-27 kg

20
Q

Sound level formula

A

20 dB = 10 log (I / Io)

2 = log (I / Io)

10^2 = I / Io

Reference Sound Intensity (Io) = 10-12 W/m²

21
Q

exponential decay

22
Q

arrhenius eq for activation energy

23
Q

gibbs free energy delta G in e

A

k=e^(-deltaGstandard/RT)

24
Q

ph in [concentration]

25
Henderson Hasselbach
26
gibbs free and Ecell
27
Q and Ecell
28
electrodeposition
the number of moles of element being deposited on a plate
29
delta G standard vs. non-standard
If E° cell is positive, In Keq is positive. This means that Key must be greater than one and that the equilibrium lies to the right (products are favored).
30
delta G, enthaply entropy
31
density of water
ρwater = 10^3 kg/m^3