Binary Covalent (molecular) Compounds Name the following covalent compounds:

CO
CO2
NO
NO2
SF6
SiF4
N2S3
B2H6
SO2
CH4

Write the formula for the following covalent compounds:

Boron trichloride
Nitrogen monoxide
Dinitrogen monoxide
Dinitrogen pentoxide
Sulfur hexachloride
Carbon monoxide
Carbon disulfide
Oxygen difluoride
Dinitrogen tetrahydride
Silicon tetrahydride

Mixing up Binary Compounds
Classify & Name the following binary compounds: (I or M)
BaNO3
SrO
NaI
Mg3(PO4)2
K2SO4
OF2
NH3
BaF2
LiCl
BeO
MgSO4
Al2O3
Classify & Write the formula for the following binary compounds (I or M)
Phosphorous trichloride
Chlorine monofluoride
potassium hydroxide
strontium sulfide
Calcium nitrate
Carbon tetrabromide
Lithium hydroxide
Potassium sulfate
lithium bromide
magnesium sulfide
___ calcium nitride

Salicylic acid is a very important acid. it is used to synthesize the aspirin by treating with acetic anhydride. a 0.2015-g sample of salicylic acid was dissolved in a 100.00-ml volumetric flask, and the solution was diluted to the mark. a 10-ml aliquot of this solution was titrated with standard naoh (0.01130 + 0.2% n) to a phenolphthalein faint pink color end point at 19.81 ml. (a) (calculate the normality of the salicylic acid solution used in the titration. (b) assuming the salicylic acid is pure, what is the equivalent weight of the salicylic acid? practice problems for the final exam (continued) (c) (calculate the inherent error in the determination of the equivalent weight you calculated in part (b). use the following absolute errors in the equipment /glassware when calculating the inherent error. 5.00-ml pipet: + 0.02 ml 100-ml volumetric flask: + 0.08 ml analytical balance: + 0.2 mg 25-ml buret: + 0.03 ml

Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin

One student said that the investigation was not valid (a fair test). write a plan for the investigation that includes improvements to the method and apparatus