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in the following exothermic chemical reaction which stress will cause an equilibrium shift that favors the formation of
which of the following would be most efficient for melting snow from side walks and roads sucrose lithium chloride
one constitutional isomer of c2h4o2 has a pka of 40 while another has a pka of 5 show lewis structures for each isomer
assuming the density of a 5 acetic acid by mass solution is 10 gml determine the volume of the acetic acid solution
a 10 lambda l sample injected into a gc resulted in broad and tailing peaks in the chromatogram assuming that the
the reaction between sulfamic acid and sodium nitrite produced 388ml of nitrogen gas collected over water at 23 degrees
ethylene c2h4 produces a large amount of heat when combined with pure oxygenassuming no other competing reactions and
if a plot of ln k versus 1t for this reaction has the equation y -132 x 105x 111 what is the activation energy for
a 100l container has a 100g of ammonia gas and 500g of nitrogen gas at 500 degrees celsius calculate the total pressure
place the following elements in order of decreasing atomic size silicon nitrogen helium potassium magnesium and
a student synthesized 6895 g of barium iodate monohydratebaio32h20 by adding 3000 ml of 5912x10-1 m barium nitrate
compare the eclipsed conformers of 111-trifluorobutane c2-c3 why is one of the eclipsed conformers most stable why is
a mixture of the compounds magnesium bromide and potassium chloride contains 487 g of magnesium bromide and is 705 by
compare the staggered conformers of 111-trifluorobutane c2-c3 why is one of the staggered conformers most stable why is
a 8422 g mixture of the compounds sodium bromide and sodium oxide contains 2464 g of sodium the compound sodium bromide
as a system increases in volume it absorbs 525 j of energy in the form of heat from the surroundings the piston is
draw a graph that explains the distribution of the kinetic energies of gas particles when the gas is at two different
a 100l container has a 100g of ammonia gas and 500g of nitrogen gas at 500 degrees celcuis calculate the total pressure
an electrodialysis is used to treat a stream of 125 m3d produced water with a salinity of 13000 mgl nacl before the
how many milliliters of 100 m koh should be added to 100ml of solution containing 100 g of histidine hydrochloride fm
a person accidentally swallows a drop of liquid oxygen o2l which has a density of 1149 gml assuming the drop has a
a coffee-cup calorimeter containing 100 of is used the initial temperature of the calorimeter is 230 if 570 of is added
consider a mixture of air and gasoline vapor in a cylinder with a piston the original volume is 50 cm3 if the
calculate the mass of solid need to make the solution and then prepare the solutions explain the steps you took in