Test 2 formulas Flashcards by Roger Kline | Brainscape

Q

C to K

A

K=C+273.15

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Q

Density

A

d=m/v

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Q

molarity

A

M=moles of solute/liters of solution

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Q

cm^3 = ?

A

1 ml

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Q

molar concentration

A

Mi Vi = Mf Vf

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Q

Pressure

A

P = force / area

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Q

Boyle’s Law

A

Pi Vi = Pf Vf, constants n, T

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Q

Charles’s law

A

Vi / Ti = Vf / Tf, constants n, P

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Q

Avagardro’s law

A

Vi / ni =Vf / nf, constants T, P

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Q

Ideal gas equation

A

PV = nRT

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Q

density of a gas

A

d= PM / RT, PressureMolar Mass / RTemperature
or
d= M/L, Molar Mass/ Molar Volume

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Q

Standard temperature and pressure (STP)

A

pressure = 1 atm, temp = 0 C, volume = 22.41 L

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Q

R =

A

R = .08206 (PV / nT)

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Q

1 torr = ? Hg

A

1mm Hg

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Q

1 atm = ? torr

A

760 torr

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Q

1 atm = ? Pa

A

101325 Pa

Q

760 torr = ? Pa

A

101325 Pa

Q

Molar mass

A

M = g / mol

Q

Molar density

A

mol / L

Q

Mol fraction

A

X_n =mol_n / mol_total

Q

Partial pressure

A

P_a = p_total * X_n