A solid with an irregular and non repeating pattern
What is an amorphous solid?
An inorganic nonmetallic solid prepared from powder mixed with water then shaped and heated, insulator.
What is ceramics?
What is supersaturated?
Find the % mol fraction of CO2: 233g of CO2 in .409L of water
What is .189mol- 18.9% CO2?
the study of how fast reactions take place over time, along with reaction rates and mechanisms
What is chemical kinetics?
Two covalent crystalline solids
What is diamond and graphite?
Match
A. Conductor (no band gap) 1. Nonmetals
B. Semiconductor (small band gap) 2. Metals
C. Insulator (large band gap) 3. Metalloids
What is
A-2
B-3
C-1
Solubility in a gas will (decrease/increase) as pressure decreases
What is decrease?
What is .813?
(More/less) concentrated reactions, and (smaller/larger) molecules react faster in kinetic energy.
What is more, what is smaller?
Mid-efficient cubic cell is..
What is body centered cubic?
What do the colligative properties include?
What is boiling point, freezing point, viscosity, vapor pressure, and osmotic pressure>
Find molality of 1.80 mol KCl in 16.0mol of water
What is 6.25mol/kg?
The first order reaction A---->B, has k=5.67s-1. If [A]0=.500M, how long will it take [A]=0.124M?
If given the reaction:
Na+ + Cl - ---> NaCL
Determine the reaction order.
What is cannot be determined?
Has 4 atoms per unit cell
What is a Face-centered cubic cell?
What would dissolve in water?
NaCl or Na2
What is NaCl?
At 20 degrees C, Kh for argon gas in water is 1.64x 10^-3 molality/atm. How many grams of argon will dissolve in 500 g of water if the pressure of argon above the solution is 2.5atm?
What is .082g of argon?
What is the overall order of this?
rate=k[A]1[B]2[C]1
What is 4?
Quadrupling in rate refers to what order.
What is 2nd order?
What is buckministerfullerenes?
the rate unit K for a second order reaction?
What is M-1s-1?
If 115g of nitrate is dissolved in 450mL of water what is the boiling point of the solution?
KBP for water= .512 degrees C/m
What is 102.1 degree celsius?
A solution of sucrose (molec wt=342) is prepared by dissolving 68.4g of it per litre of solution. What is the osmotic pressure at 300k?
What is 4.92atm?
Determine the half life of a first order reaction with a rate constant of .729 s-1.
What is .950s