gen Chem pg 5 Flashcards by christi schaefer | Brainscape

Q

ideal gas law

A

PV=nRT

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Q

density of a gas

A

density= PM/RT

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Q

another formula with density in it

A

M= dRT/P

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Q

combined gas law

A

PV/T = PV/T

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Q

avogadro principle

A

n/V= k

or n/V = n/V

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Q

boyles law

A

PV= PV (hyperbolic V P graph)

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Q

charles law

A

V/T=V/T

linear graph

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Q

guy lussacs law

A

P/T= P/T linear graph

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Q

daltons law

A

P total= P of a + P of b etc

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Q

daltons law particle pressure from P total

A

P of gas= X of gas (P total)

X is mole fraction

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Q

mole fraction of A

A

mol A/ total moles

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Q

henrys law

A

[A]= kH (P of A)

or [A]/P= [A]/P

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Q

average kinetic energy of gas

A

KE= 1/2 mv^2 = 3/2 kB T

kB is boltzmann constant

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Q

root mean square speed

A

= square root of (3RT/M)

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Q

grahams law

A

rate= 1/square root M

or rate 1/rate 2 = square root (M2/M1)

smaller moves faster

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Q

van der walls equation of state (deviation from ideal gas)

A

takes into account intermolecular attraction and molecular volume

P= (nRT/V-nb) - (n^2 a /V^2)

P is directly prop to -a

Q

ideal gas is most ideal at

A

high T and low P

Q

gas deviates from ideal at

A

low T, high P (small V)

Q

diatomic

A

Br I N Cl H O F

Q

gases at room temp

A

N Cl H O F

Q

Blood pressure is

A

< 120/80

Q

constant R

A

0.08 L atm/mol K

or 8.3 J/mol K

or 8.3 L kPa/mol K

Q

Pressure =

A

force/area = N/m^2

= Pascal

Q

STP

A

273 K

Q

pressure units

A

1 atm = 101 kPa= 101000 Pa= 760 torr= 760 mmHg