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to produce a device isolation trench you first use cvd to deposit an oxide of 50nm on si100 you follow that by a dry
potassium sulfate solution reacts with barium bromide solution to produce a precipitate of barium sulfate and a
if a coordination compound absorbs in the visible region of the electromagnetic spectrum determined that a 00378m
which of the subsequent coordination compounds have geometric isomers assume that the geometry of the coordination
utilizing the concentration of the stock stearic acid solution and the volume of one drop compute the number of moles
scientists investigating acid rain measured the ph of a water sample from a lake and found it to be 48 the total
depict a titration curve representing the titration of a strongacid a by a weak base b if the pka for hb685 and the
given the subsequent data for the length of a side of the unit cell for compounds that crystallize in the rock salt
a salt was found to be composed of potassium carbon and oxygen elemental analysis revealed it to be 4705
which of the following below applies to the addition of nucleophiles toalpha beta-unsaturated carbonyl compounds1 the
at 20oc the vapor pressure of toluene is 22 millimeters of mercury as well as that of benzene is 75 millimeters of
the decomposition of sulfuryl chloride is a first orded the rate constant for the decomposition at 660 k is 45 x10-2
if two drops of 3-chloroprop-1-ene is mixed with 1 centimeter cube of ethanol and 1 centimeter cube of silver nitrate
a red blood cell in a hypertonic solution will shrink in volume as it undergoes crenation in a hypotonic solution a red
para-amino benzoic acid paba hc7h6no2 is used in some sunscreen agents a solution is made by dissolving 263 mol of
475 grams of naoh are added to 250 ml of water in a volumetric flask 100 ml of resulting solution are removed as well
a solution of formic acid hcooh has a ph of 253 explain how many grams of formic acid are there in a 100ml of the
explain how to draw the structural formula of an aldehyde as well as a ketone with the molecular formula c3h6oexplain
from the point at which the cardiac cycle commences that is the electrical excitation is initiated in the sa node
if produced ethanol from sucrose and do fractional distillation why do require adding potassium carbonate before
it takes 120 minutes for 100 l of n2 g to diffuse through a pin hole suppose it takes 300 minutes for 200 l of gas x to
suppose if the root mean square speed of o2 gmolecules at a given temperature is 50 x 102 ms explain what is the root
depict a representation of the proton nmr spectrum expected for the following structures be sure to show clearly the
from the point of view of chemical equivalence explain how many different types of protons and how many different types