equations etc to know Flashcards by Macy Taylor | Brainscape

Q

OIL RIG

A

Oxidation Is Loss of electrons
Reduction Is Gain of electrons

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Q

Abogadro’s #

A

6.02x10^23

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Q

exothermic

A

heat released (negative change in heat)

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Q

endothermic

A

heat absorbed (positive change in heat)

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Q

change in H (heat) =

A

H products - H reactants

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Q

P

A

pressure

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Q

V

A

volume

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Q

T

A

temperature

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Q

n

A

amount

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Q

1 atm =

A

760 mmHg & 760 Torr

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Q

given: pressure and volume

A

P1V1 = P2V2

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Q

given: volume and temperature

A

V1/T1 = V2/T2

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Q

given: pressure and temperature

A

P1/T1 = P2/T2

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Q

given: pressure, volume, and temperature

A

P1V1/T1 = P2V2/T2

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Q

given: volume and amount

A

V1/n1 = V2/n2

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Q

STP =

A

0 degrees C & 1 atm

Q

1 mole of gas @ STP = ___ L

A

22.4 L

Q

P total =

A

P1 + P2 + P3 + …

Q

PV = nRT

A

R = PV/nT

Q

R (atm) =

A

(.0821L)(atm) / (mole)(K)

Q

R (mmHg)

A

(62.4L)(mmHg) / (mole)(K)

Q

ionic charge of: +1, -1

A

1 Eq

Q

ionic charge of: +2, -2

A

2 Eq

Q

ionic charge of: +3, -3

A

3 Eq

Q

concentration =

A

n solute / n solution

Q

solution =

A

solvent + solute

Q

mass percent

A

m(g) / m(g) * 100%

Q

volume percent

A

v(mL) / v(mL) * 100%

Q

mass-volume concentration

A

m(g) / v(mL) * 100%

Q

dilution

A

C1V1 = C2V2

Q

C

A

concentration

Q

M

A

molarity

Q

molarity =

A

mole solute / L solution