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write balance equations for all the reactions that take place during neutralization when creating octyl acetate from
why should the 10 sodium bicarbonate solution be added slowly to the reaction mixture of acetic acid and n-octyl
naturally occurring chlorine is composed of 35cl and 37cl the atomic weight of chlorine is 35453 what are the
aluminum oxide al2o3 molar mass 10196 occurs in nature as a mineral called corundum which is noted for its hardness
a block is released and slides without friction down at plane inclined at angle theta from the horizontal it reaches
in theory how many different elements in the ground state could have exactly 14 electrons in various s orbitals have
a converging lens of focal length 20 cm is used to form a real image 10 m away from the lens how far from the lens is
if the volume of the cylinder is 4500 ml and the pressure of the n2 in it is 33 atm temperature is 25ordmca how many
a 10 cm wide diffraction grating has 1000 slits it is illuminated by light of wavelength 550 nm what are the angles of
a diffraction grating with 750 slitsmm is illuminated by light that gives a first order diffraction angle of 34 degrees
the intake in the figure has cross-sectional area of 079 m2 and water flow at 044 ms at the outlet distance d 180 m
a block of wood has a mass of 387 kg and a density of 584 kgm3 it is to be loaded with lead so that it will float in
useful constants 1 torr 13332 pa r 83145 jmolmiddotk you have a thin metal sphere of unknown volume that contains
what is the equilibrium constant expression ka for the acid dissociation of nitrous acid hno2 the equation of interest
draw out the mechanism of the reaction not the reaction scheme for acetic acid and n-octanol that makes n-octyl acetate
blue light of wavelength 450 nm passes through a 020-mm wide slit and illuminates a screen 12 m away how wide is the
give equations to show how sulfuric acid can convert 4-methylcyclohexene into a mixture of four isomeric c7h12
what is the molarity of a sodium hydroxide solution if 250 ml of this solution reacts exactly with 2230 ml of 253 m
in a qualitative analysis procedure a chemist adds hcl to an unknown group of ions and then saturates the solution with
water is pumped steadily out of a flooded basement at a speed of 46 ms through a uniform hose of radius 14 cm the hose
a thin double convex lens is to focus the image of an object onto a screen so that the image is life-sized the lens has
why in this work-up procedure is ordinary not anhydrous ether used for rinsing the reaction ask and to provide a
a fisherman in a stream 36 cm deep looks downward into the water and sees a rock on the stream bed how deep does the
a converging lens forms a real image 127 times the size of the object the object distance is 22cm find the distance of
write the net ionic equation for the reaction between aqueous solutions of calcium chloride and sodium