Shared Flashcard Set

Details

final!
Will I survive?
65
Chemistry
11th Grade
06/15/2008

Additional Chemistry Flashcards

 


 

Cards

Term
hydrogen bonds are
Definition

weak

between electro negative atoms and hydrogens bonded to O, N, or F 

Term
hydrogen bonds cause
Definition
water's high surface tension, low vapor pressure, high specific heat capacity, high heat capacity, and a high boiling point
Term
thingers with two
Definition
BrINClHOF
Term
heat of vaporization
Definition
amount of energy it takes to vaporize 1 g of something
Term
ice
Definition
honey comb structure
Term
heat of fusion
Definition
amount of energy needed to freeze one g of something
Term
water absorbs
Definition
a lot of shit
Term
solvent
Definition
what shit is disolved in
Term
solute
Definition
shit that's disolved
Term
solvation
Definition

when stuff dissolves

Things split apart 

some ionic compounds won't split because the attractions between the ions is too strong 

Term
electrolyte
Definition
when dissolved in water or melted, it conducts electricity
Term
nonelectrolytes
Definition
most organic compounds
Term
weak electrolytes
Definition

organic acids and bases

HgCL2 

Term
strong electrolyte
Definition

inorganic acids and bases

NaOH 

Term
gas in liquid colloid
Definition
whipped cream
Term
gas in solid colloid
Definition
marshmellow
Term
liquid in liquid colloid
Definition

emulsion

mayonaise 

Term

liquid in gas colloid

arisol 

Definition
fog
Term
solid in gas colloid
Definition
smoke
Term
solid in liquid
Definition
blood
Term
solution characterisics
Definition

particles, small, .1-1nm, ions, atoms, etc

no scattering of light

does not separate

nonfilterable

homogenous

 

Term
colloid characteristics
Definition

large molecules or particles

1-100 nm

tyndall effect

doesn't separate

non-filterable

borderline homo/hetero (bi) 

Term
suspension characteristics
Definition

large particles or aggregates

100 nm or larger

gives tundal effect

separates

filterable

heterogeneous 

Term
water of hydration
Definition

water in a crystal

salt-dot-number of water-water

CuSO4 dot 5 H2O 

Term
hygroscopic
Definition

pulls water out of the air 

Term
deliquesensts
Definition
pull so much water out of the air that they form solutions
Term
things that affect how fast shit dissolves
Definition
agitation, tempurature, size of particles
Term
saturated solution
Definition
solution with the maximum amount of solute in it at a given tempurature
Term
soluability
Definition
how much solute it takes to hit saturation
Term
miscible
Definition
when two liquids can mix into eachother
Term
Henry's Law
Definition

the solubility of a gas (S) is direcrtly proportional to the pressure of gas above the liquid (P)

 

s1/p1=s2/p2 

Term
supersaturated
Definition
when a solution has more solute than it should
Term
dilute concentration
Definition
not much solute
Term
concentrated solution
Definition
a lot of solute
Term
Molarity
Definition
# of moles in 1 L of solution
Term
making a dilution
Definition

trying to turn a solution less concentrated

M1xV1=M2xV2 

Term
percent by volume
Definition
volume of solute/volume of solutionx100%
Term
percent mass/volume
Definition
mass solute(g)/solution volume (ml) x 100
Term
colligative properties
Definition
lowwer vapor pressure, higher boiling point, lowwer freezng point
Term
boiling point elevation
Definition
difference between the boiling point of a solution and a pure solvent
Term
freezing point depression
Definition
difference between freezing temp of solution and pure solvent
Term
Molality
Definition

little m

moles solute/kg solvent 

Term
mole fraction
Definition
mols solute/both solute and solvent
Term
delta tb
Definition
change in boiling temp
Term
m in delta tb=mkb
Definition
molar concentration of solution
Term
collision theory
Definition
reactions happen when things hit each other hard enough and at the right angle
Term
activation energy
Definition
minimum energy particles must have to react
Term
activated complex
Definition
top of the energy curve
Term
things that affect reaction rates
Definition
temp, concentration, particle size, catalist
Term
inibitor
Definition
something which interferes with the work of a catalyst
Term
chemical equilibrium
Definition
when the forward and reverse reactions are going at the same rate
Term
when pressure changes
Definition

it goes to the side with more moles of gas

(I may die later) 

Term
le chatelier's principle
Definition
when you put stress on a system (more reactants) it'll it'll move
Term
free energy
Definition
energy avalible to do work
Term
spontaneous
Definition
an equation that naturally favors reactants
Term
exergonic
Definition
spontaneous
Term
entropy
Definition
disorder
Term
law of disorder
Definition
shit gets more disordered
Term
keq
Definition
keq=([c]^cx[d]^d)/([a]^ax[b]^b)
Term
keq<1
Definition
reactant favored
Term
keq>1
Definition
products favored
Term
spontinaity calc
Definition

spontinaity prod-spontinaity reac

if more than one whatevs, times 

Term
gibb's free energy
Definition
delta g=deltah-tdeltas
Term
order of rate law
Definition
add exponents
Supporting users have an ad free experience!