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two solution are mixed together a solution containing 000226 moles of hno3 and a solution containing 000421 moles of
the molar enthalpy of vaporization of hexane c6h14 is 289 kjmol and its normal boiling point is 6873degc what is the
in an experiment 112 ml hydrogen gas was collected over water with 0132 g magnesium and 75 ml of 6 m hcl at 210 degrees
consider the following tetra-substituted cyclohexane draw both chair conformations of this compound determine which
suppose a system of three particles represented by circles have the possibility of occupying energy states with 0 10 or
draw a concentration cell for 010 m cu2 and 20 m cu2 cell show the following on each compartment clearlya all the
for groups a and b below identify the best oxidizing and the best reducing agent in each group you should have one
use tabulated half-cell potentials to calculate delta grxn for each of the following reactions at 25 degrees
1 a voltaic cell is to be designed at standard state conditions using the following two half reactions mn2 aq 2e- mn
find the molar solubility of bacro4 exp ksp21 x 10-10 exp in a pure water and b 15 x 10-3 exp m
find the ph and volume ml of 00372 m naoh needed to reach the equivalence point in titrations of a 422 ml of 00520 m
1940 calculate the ph during the titration of 3000 ml of 01000 m koh w 01000m hbr solution after the following
kp 37x10-6 at 900k for the synthesis of ammonia from n2 and h2 assuming that ho -92 kj calculate kp at 550
1 what is the abbreviation for deoxyguanosine 5-diphosphateenter the abbreviated name for the nucleotide for example
what are the three possible nuclear arrangements of n2o which one allows for a good lewis structure this isnt the one
5fe2 mno4- 8h rarr 5fe3 mn2 4h2onumber of moles of electrons transferred in a two half cell reactions in the above
charcoal samples from stonehenge in england were burned in o2 and the resultant co2 gas bubbled into a solution of
the following reaction has equilibrium constant kc32 calculate the equilibrium concentration of ch2o if 250 mol of ch2o
what spectral features including carbon spectra proton spectra ir spectra and mass spectra allow you to differeintiate
the initial concentration of reactant of a 2nd order reaction is 480 m after 6 minutes the concentration is measured
the reaction of diethyl heptanedioate with sodium ethoxide would give as the product
10000 ml of 010 m agno3 to 10000 ml of 012 m nacl the ksp for agcl is 18times10-10 at 25 oc what is the number of
considering the limiting reactant how many moles of excess reactant remain after the reaction of 0600 mol a and 1400
suppose that a refrigerator cools to -4 degrees c discharges heat at 20 degrees c and operates with 50 efficiencya how
a typical automobile engine works with a cylinder temp of 2000 degrees c and an exit temp of 800 degrees c a typical