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ascorbic acid vitamin c contains c h and o in one combustion analysis 524 g of ascorbic acid yields 786 g co2 and 214 g
if the volume of the flask is presumed to be 125ml instead of the measured volume would the computed molar mass of the
vapor pressure of pure benzene c6h6 is 78 torr as well as that of toluene c7h8 is 56 torr compute the total pressure
perchloroethylene as well known as perc is the solvent utilized in most dry cleaning it consists of c and cl find out
a common industrial unit for articulating the concentration of hydrogen peroxide is to state the relative volume of
two boys on ice skates stand face to face and then push each other away their masses are 50 kilogram and 60 kilogram
a geode is a hallow rock with a solid shell and an air filled interior assume a particular geode weighs twice as much
knowing that the in general reaction releases 980 kj of heat per mole of hydrogen peroxide as well as that they heat of
a hydrogen atom in a state having a binding energy the energy required to remove an electron of 085 ev makes a
80-m aluminum bar is held with its length parallel to the east-west direction and dropped from a bridge now before the
1 methanol is a probable replacement for gasoline the entire combustion of methanol forms carbon dioxide and
an ion having a 4 charge as well as a mass of 499 amu has 2 electrons with principal quantum number n 1 8 electrons
assume a beam of 50 ev protons strikes a potential energy barrier of height 60 ev and thickness 056 nanometer at a rate
a bat emits a sound whose frequency is 80 khz the speed of sound in air at 200degc is 343 ms however the air
a gaussian surface in the shape of a right circular cylinder by end caps has a radius of 102 cm and a length of 120 cm
a 75 cm diameter horizontal pipe gradually narrows to 45 cm when water flows during this pipe at a certain rate the
when an earthquake occurs two types of sound waves are generated and travel through the earth the primary or p wave has
find out the lime and soda ash dose in mgl as caco3 to soften the following water to a final hardness of less than 90
a hunter is standing on flat ground between two vertical cliffs that are directly opposite one another he is closer to
a merry-go-round is stationary a dog is running on the ground just outside its circumference moving with a constant
explain the influent suspended solids concentration to a primary settling tank is 435 mgl explain the average flow rate
while drawing the stereoisomers for 1-bromo-2-chlorocyclohexane in the trans pair does it matter if the h on the c with
an electric field of 670times105 vm is desired between two parallel plates each of area 400 cm2 and separated by 0410
a 30 gram particle undergoes shm with amplitude of 20 mm and a maximum acceleration of magnitude20 multiplied by103 ms2
the reason of a banked curve is to allow vehicles tomaneuver during the turn without relying on static tire friction to