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why can anhydrous naoh not be used to dry t-amyl chloride instead of calcium chloride and what side products may be
an ideal gas initially at 408 kis compressed at a constant pressure of 34 nm2 from a volume of 30m3 to a volume of 18
a photographic slide is to the left of a lens the lens projects animage of the slide onto a wall which is a distance of
an object is a distance of s from the center of a silvered spherical glasschristmas tree ornament which has a diameter
determine the activation energy in kjmol for the following reaction 2 n2o5g 4 no2 o2 from the following data250
a 25kg child stands on the rim of a 200 kg merry-go-round that has a radius of 3 m the merry-go-round is rotating
a 5 kg bucket is attached to a disk-shaped pulley of radius 015m and mass 15kg if the bucket is allowed to fall what is
what is the theoretical yield calculation for the reaction of p-phenetidine with acetic
i have a vert cyl height h and sealed with a piston ignoring weight inside air under piston is in pa and given a liquid
the thallium present as tl2so4 in a 9043 g pesticide sample was precipitated as thalliumi iodide calculate the mass
at some point in its trajectory a ballistic missile icbm of massm breaks into three fragments of mass m3 eachone of the
a piece of metal at 80 degrees celsius is placed in 12 l of waterat 72 degrees celsius the system is thermally isolated
a new binaryasteroid is discovered in our solar system with an orbital periodaround the sun of 5 yrs the two components
a saturated solution of magnesium hydroxide mgoh2 in equilibrium with undissolved solid is prepared at 25degc the ph of
a calculate the specific heat of the metal assuming perfect insulation and a calorimeter heat capacity of zerob
look up and write the structures of d-galactose and d-mannose how do they differ from
to calibrate the calorimeter electrically a constant voltage of 36 v is applied and a current of 26 a flows for a
when at rest two trains have sirens that emit a frequency of 300hz the trains travel toward one another and toward an
determine the empirical formula of a compound that is 2542 percent na 392 percent cl and 3538 percent o by
a star similar to our sun radiates energy at the prodigious rate of46 1026 wa at what rate does this star convert mass
suggest a reasone why would be inadvisable to add the sulfuric acid to the diluted bleach solution before that of the
the standard enthalpy and entropy for a slightly soluble salt at 25 degrees c were determined to be 71 kj and 49 jk
suppose a sphere thin hoop and a disk were all rolling along a horizontal surface with the same speed when they
what is the wavelength in nanometers of a photon with a frequency of 560 multiplied by 1014 sec-1 the speed of light in
a goodyear blimp typically contains 5400m3 of helium he at an absolute pressure of 11multiplied by 105 pathe