Unit 3 Day2/3 Flashcards
Gas(shape and volume)
Take shape and vol of container
Liquid (shape and volume)
Set vol take shape container
Solid (shape and volume)
Set volume set shape
What si the most dense substances
Solid
When is gas pressure higher than atm
When atm is at a higher triangle h(enthalpy)
1 atm =
Torr
760 torr
1 atm=
How many mmHg?
760 mmhg
1 atm =
Bar?
1.01325 bar
1 kp =
How many Pa?
10^3 Pa
1 bar =
How many Pa?
10^5 pa
Boyles law
P1(V1) = P2(V2)
Charles law
v1/T1 = V2/T2
(T must be in K)
Room temp in Celsius and k
25 degrees C
298 K
STP
1 atm and 273 K
Avogadros law
V1/n1 = V2/n2
1 bar =
How many Pa
1 bar =10^5 Pa
Theory
Concept that explains why
Scientific law
math makes predictions
One mol of any ideal gas….l
Occupies 24 L at STP
Number density
Mols/vol
Mass density
Mass/vol
Combustion formula
CxHy + O2 => CO2 + 2H2O
Molar mass formula
Mass/ moles
Gay Lusacs law
P1/T1 = P2/T2
If 2 different molecules have the same vol, pressure, and temp, how many moles does it have
Same number of moles regardless of molecule
Constant
Same for both
Have no fear of ice cold beer
H2
N2
F2
O2
I2
Cl2
Br2
Density
W correct units
Mass/ vol
Grams over liters
For a given volume what has the least possible surface area
A spher
What is the most stable situation for surface area
One where surface area is minimal, that’s why droplets bead up so they touch the surface less
Surface tension describes
The inward force that must be overcome in order to expand the surface area of a liquid
What leads to larger boiling point in molecule?
(Size)
Large BP means large radius of elements in molecule(ONLY IF THEY HAVE THE SAME IMF INITIALLY)
The vapor pressure of all liquids…
Increases with temp
As KE(temp) increases, what happens to the rate of evaporation
It increases
As KE(temp) increases, what happens to the rate of condensation
It decreases
At room temp, a liquid with high VP is called
Volatile, because it can be easily evaporated at a normal temp
What type of solid is formed in layers(covalent bonds)
Molecular
what happened to the e- in metallic solids
They are delocalized, have resonance
Why is I2 more polarizable than H2
It has a larger radius, electrons are more widespread from the nucleus, therefore easier to distort the electron cloud
1 atm = how many kpa?
101.325 kPa
1 cubic centimeter equals how many liters
.001 liters
The smallest amount you produce in a limiting reactant problem is
The total amount that is able to be produced by the whole problem
Density formula, with ideal gas law with pressure
Density = p(mm)/RT
Density formula, with idea, gas law moles(n)
Density = n(mm)/v
What is the unit of mm for density formula
Grams/mol
