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consider the elements o ba co be and br from this list select the element that exhibits a maximum positive oxidation
a sample of s8 g is placed in a container at 1325 k at an initial pressure of 100 atm where it decomposes to s2 g by
when the sun is directly overhead a hawk dives toward the ground with a constant velocity of 690 ms at 700 degrees
calculate the amount of c6h12o6 glucose you would need to measure out on a balance in order to have 1504 x 1023
a nonconducting solid sphere of radius r carries a volume charge density that is proportional to the distance from the
the crystal field splitting energy for a complex is 160 kjmol what wavelength of light is absorbed by this complexa 750
a 50 microc point charge is placed in an external uniform electric field of 200 104 nc at what distance from the charge
the absorption rate constant is smaller than the elimination rate constarnt therefore the terminal decline of the
a 40cm -tall candle flame is 20m from a wall you happen to have a lens with a focal length of 42cm for each location
determine the vibrational modes that are optically active and determine which are raman and ir active for ccl4 chcl3
50 of the distintegrations of a sample of an unknown pure nuclide weighing 46 x 10-2 g were counted in the first
a train starts from rest and travels in a straight line with acceleration 15 ms2 for 30 seconds it then travels with a
a patients thyrod gland is to be exposed to an average of 55 microcuries for 16 days as an ingested sample of
a neutrino must pass within about 10-18m of a quark to have any chance of interacting with it thus the maximum target
a substance that you believe to be talc contains 5835 g magnesium 8988 g silicon 1536 g oxygen and 161 g hydrogen how
the diameter of our disk-shaped galaxy the milky way is about 10 105 lightyears ly the distance to messier 31 which is
calculate the vapor pressure of water above a solution prepared by dissolving 370 of glycerin in 135 of water at 343
the standard addition method for he trace spectrophotometric analysis of iron is based on dilution of the sample to 500
two large flat metal plates are separated by a distance that is very small compared to their height and width the
a 180-g sample of phenol c6h5oh was burned in a bomb calorimeter whose total heat capacity is 1166 kjc the
the molar concentration of the indicator hin ka 48x10 -6 and its conjugate base in- at 450 were determined as in-
a car is traveling due north at 193msfind the velocity of the car after 703 s if its acceleration is 130ms2 due
calculate the electrode potential of hydrogen electrode at standard temperature if the electrode is immersed into
excess aqueous hydrochloric acid was added to a 0415 gram sample of an alloy of aluminum and copperthe aluminum
1 the rate constant for the following equation is 00391 m-1 middot s-1 we start with 0238 mol c2f4 in a 400-liter