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have a concentrated stock solution of hcl 2 m if want to make 100 ml of 05 m hcl define how much of the original stock
a concave spherical mirror with focal length of 60 centimeter has a 10 centimeter pencil located perpendicular to the
explain what is the concentration of pb2 must be exceeded to precipitate pbcl2 from a solution that is 01m in the
a beam of monochromatic light has a wavelength of 650 nanometer in a vacuum assume c300e8 ms and n147 in a liquid for
compute the value of the equilibrium constant of the reaction of so3 as well as water to produce h2so4 when the
an alien spaceship fires a high energy beam of photons at a rebel base relative to an observer on the base the alien
a speaker generating a tone at 348 hertz is stationary a person is moving toward the speaker with a speed of 32 meter
utilizing thermodynamic data from your notes compute the change in gibbs free energy for each of the subsequent
the middle c string on a piano is under a tension of 986 newton the period and wavelength of a wave on this string are
the peak value of the electric field component of an electromagnetic wave is e at a particular instant the intensity of
the value of ksp for silver sulfate ag2so4 is 12x10-5 compute the solubility of ag2so4 in grams per
a saturated solution of pbf2 was making by dissolving solid pbf2 in water the concentration was found to be 208x10-3 m
a church organ pipe will sound a note at 359 hertz when the ambient temperature is 207degc if the air-conditioning
presume 277 g of argon gas occupies a volume of 427 l explain what volume will 120 mol of argon occupy under the same
an organ pipe is 146 meter longa find the first harmonic frequency of this pipe when it is open at both endsb find the
a speaker generating a tone at 275 hertz a person is moving toward the speaker with a speed of 49 meter per second the
explain how much in kilograms ethylene glycol antifreeze c2h6o2 has to be added to 144 kg of water to get a mixture
unknown compound x is spotted on a tlc plate that is then developed in hexane the solvent front is measured at 45 cm as
are the color changes that accompany heating as well as cooling of the equilibrium mixture in agreement with le
a 126 microf isolated capacitor is constructed with teflon having a dielectric constant of 21 between the plates the
a beryllium ion with a single electron denoted be3 is in an excited state with radius the same as that of the ground
shift equilibrium toward reactants you will have to write out reaction quotients for before as well as after the
a speaker generating a tone at 281 hertz is moving towards a stationary observer with a speed of 59 meter per seconda
compute g at 298 k if the reaction mixture consists of 69atm of h2 50atm of f2 and 047atm of