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10 terms

States of Matter

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Iodine and CO₂ (dry ice)
What are two substances that sublime at 1 atm when heated?
same KE, but PEice<PEwater
How does the KE and PE of ice at 0°C compare to the KE and PE of water at 0°C?
allow for the vapor pressure of water and make sure to level levels
What things should you remember to do when collecting gas over water?
a-IMFs, b-molecular volume
What do the "a" and "b" in Van Der Waal's equation allow for?
ion pairing
Why are i factors (Van't Hoff factors) often less than ideal?
water and substances with (s) less dense than (l)
For what types of substances does the solid/liquid equilibrium line on a phase diagram slope LEFT?
it's lower and occurs over less sharp a range
How does the melting point of a mixture compare to the MP of a pure substance?
Supercooling can occur when cooling a solvent or solution. It occurs when there's a dip and then a rise back up to the melting point on a cooling curve.
When can supercooling occur? What does it look like on a cooling curve?
There's one normal boiling point (1 atm), but many boiling points (P dependent)
How many normal boiling points and boiling points are there?
r₁/r₂=(M₂/M₁)^½
v₁/v₂=(T₁/T₂)^½
E₁/E₂=T₁/T₂
What is the relationship between Rate and Molar Mass for two gases? Velocity and Temperature? Energy and Temperature?