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find the temperature on the kelvin scale which is exactly 5 times its equivalent celsius
what are all the possible structural formulas of methane ethane propane butane and
a 5342g sample of water at 761 cegress celcius is added to a sample of water at 233 degrees celsius in a constant
a particular coal contains 26 sulfur by mass when the coal is burned it produces so2 emissions which then reacts with
a sample of 450 mg a perfect gas fills a volume of 3200 cm3 at a pressure of 256torr and at a temperature of 298 k
an unknown compound containing only carbon and hydrogen was burned in excess oxygen when 8480 grams of the compound was
when 1 mol of graphite turns into 1 mol diamond at a pressure of 50 atm what is the value of the
a 1kg non-stretch balloon fabric can form a spherical balloon with a maximum radius of 5m it is attached to a 2kg
sodium hydroxide naoh has a lattice energy of -887 kjmol and a heat of hydration of -932 kjmolhow much solution could
the ionic radius of cs 0174nm radius cl- 0181nm and the coordination number of each ion 8 calculate the lattice
what technique would you use to determine the density of approximately 5 grams samples of granular sugar at 20 degress
what species are present in an aqueous solution of cuso4 assume that cu2 is six coordinate and sulfate is a
on a unusually warm day in february monica a burger flipper by default is sweating profusely over a hot grill the
how would you prepare 10ml of a 06mgml protein sample from a 10mgml protein stock solution in a given phosphate
a particular ball bearing has a mass of 850 grams calculate its diameter in cm the density of this type of steel is 778
a 2477mg sample of an unknown substance was submitted for combustion analysis the sample yielded 63264 mg of carbon
zinc carbonate hydroxide contains 5955 zinc by mass calculate the molecular weight molar mass of zinc carbonate
suppose you are transported from a deep mine to the top of a tall mountain how would your mass be changed by the
the unit cell for tin has tetragonal symmetry with a and b lattice parameters of 0583 and 0318 nm respectively if its
if 10 mugml of pigment x shows an absorbance of 0059 at 370 nm then what is the concentration of a solution of pigment
using your knowledge of intermolecular forces polarity and any other necessary information answer the following
a mixture is 10 mole ethyl alcohol 75 mole ethyl acetate and 15 mole acetic acid calculate the mass fractions of