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which one of the following is the correct formula resulting from a combination of the common ions from these elements
a patient is given a 580-mg dose of iodine-131 to image the thyroid this nuclide has half life 80 days what mass of
leadii phosphate pb3po42 s is allowed to come to equilibrium with its ions in otherwise pure water ksp 30 x 1044
determine the mass of copper that would release 438 j of heat while cooling from 284 degrees c to 25 degrees
use standard heats of formation and absolute entropies to calculate the equilibrium pressure atm pco2 at 340 kcaco3s
in the electrolysis of a solution containing ni2 aq metallic nis deposits on the cathode using a current of 0150 a for
draw the phenylthiohydantoin pth derivative that was isolated after the second edman degradation cycle involving the
write a hybridization and bonding scheme for each ion sketch the structure including overlapping orbitals and label all
gaseous hydrogen iodideis very soluble in water a solution od hydroiodic acid is 524 hi by weight its density is
is there a reference website that lists all chemicals and the less costly yet effective analysis method for determining
ninhydrin forms a pink-colored compound when it reacts with amino acids left in a fingerprint the solution is prepared
calculate the number of grams of c3h6n6o6 detonated of the resulting explosion produces 2474 g of carbon monoxide
if you have 211 g of ironii nitrate that is dissolved to give 154 l of oslution what is the molarity of the solution
calculate the number of grams of carbon monoxide produced from the detonation of 2000g of tnt c7h5n3o6 given the
a buffer is prepared by mixing 204 ml of 0452 m hcl and 0500 l of 0400 m sodium acetate what is the
a rock is a mixture of uranium-238 and lead-206 the molar ratio of lead to uranium is 1956 if the half-life for
what is the total pressure in a 160 l flask 200degc which contains 0127 moles of h2 and 0288 moles of
a prominent state hospital a 45-year-old woman is receiving a combined modality treatment for the initial stage of
why does an atomic absorption instrument not need a high resolution monochromator but an atomic emission instrument
c2h2 g o2g---- co2g h2og 250g of oxygen reacted by the above unbalanced reaction how many grams of carbon dioxide
explain the following observations use diagrams where possible andor necessary to aid your explanationsa carbon
if acid rain causes the ph of a lake to decrese by 0010 the h concentration that lake will increase bya
what is the normality of a solution of 1500 ml of an aqueous 2500 molar hcl solution and how many h ions are present in
the project is to design a mixing vessel that mixes two liquids described below and cool them down from a high
a toxic binary gaseous oxide is 6365 nitrogen by mass determine its empirical