Topic 1 - Stoichometry
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1
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In PV=nRT what are the units of the components?
Pressure Pascals
V M^3
n Moles mol
R Gas constant 8.31JK
T Kelvins (Degrees + 273.15)
V M^3
n Moles mol
R Gas constant 8.31JK
T Kelvins (Degrees + 273.15)
2
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kPa to Pa?
x10^3
3
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m^3 from dm^3 or cm^3
dm^3 x 10^3 = m^3
cm ^3 x 10^6=m^3
cm ^3 x 10^6=m^3
4
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List the different Gas Equations rearranged
PV=nRT
n=PV/RT
M=mRT/PV
n=PV/RT
M=mRT/PV
5
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Comparing General Gas Law
(P1V1)/T1=(P2V2)/T2
Note: as long as consistent unit changes are unnecessary.
Note: as long as consistent unit changes are unnecessary.
6
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Under a constant pressure, how do temperature and volume behave?
Volume of fixed gas proportionate so V/T=k
7
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Under a constant temperature, how do pressure and volume behave?
Pressure and volume are inversely proportionate. When pressure doubles volume halves. P=1/V
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8
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Under a constant volume, how do pressure and temperature behave?
Pressure and temperature are inversely proportionate. When pressure doubles volume halves. P/T=k
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Note 
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