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problem- for double helix formation deltag can be measured to be -54 kjmol -13 kcalmol at ph 70 in 1 m nacl at 25
problem- calculate the ph of a dilute solution that contains a molar ratio of potassium acetate to acetic acid pka 476
problem- 1 a concentration of 960 of ww h2so4 solution has a density of1 8gml determine molarity2 describe how to
problem- the concentration of a biomolecule inside a rod-shaped prokaryotic cell is 00047 m calculate the number of
problem- a chemist in a galaxy far far away performed the millikan oil drop experiment and got the following results
problem- a sample of metal has a mass of 2397 g and a volume of 735 ml what is the density of this metalwrite solution
problem- 1 what is chlorphyll a in spinach2 what is chlorphyll b in spinach3 what is pheophytin a in spinach4 what is
problem- what types of isomerism are exhibited by the coordination complex choose as many as needed from the list a
problem- some proteins fall apart in cold temperature cold denaturation what does this tell you about how these
problem- if 300 l of 600m hcl is added to 200 l of 150m hcl what is the resulting concentration assume the final volume
problem- the concentration of a biomolecule inside a rod-shaped prokaryotic cell is 00053 m calculate the number of
problem- the mass spectrum of an organic compound shows the relative abundances of m to be 7246 and m 1 to be 1176
problem- distilation column is expected to produce 96 pure ethylbenzene from an 1800 kgmin feedstream containing 40
problem- using slater rules calculate z for a 4s electron and z for a 3d electron in fe which electron would be more
problem- to aid in the prevention of tooth decay it is recommended that drinking water contain 110 ppm fluoride f-a how
problem- naturally occurring mg exists as isotopes 24-mg 25-mg and 26-mg given the information in the following table
problem- chemical equation of the reaction of antimony metal with concentrated 1 sulfuric acid 2 hydrochloric acid and
problem- find the algebraic answer absolute uncertainty and percent relative uncertainty and express each answer with
problem- a solution is prepared by dissolving 411g of sucrose in 646g of water what is the vapor pressure of this
problem- 150 ml 01m naoh is added to 200 ml 01m formic acid 650 ml of h2o is then added to give a 1l solution what is
problem- the first excited energy level of the helium atom is 313 10-13 j above the ground level estimate the
problem- one mole of ammonia initally at 5 degreecelcius is placed in contact with 3 moles of helium initially at 90
problem- at standard temperature and pressure the molar volumes of co2 and nh3 gases are 2231 and 2240l respectively
problem- by titration a water sample which was diluted tenfold had an initial do of 908 mgl a final do of 393 mgl an
problem- by titration a water sample which was diluted tenfold had an initial do of 93 mgl a final do of 335 mgl an