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write statements about how adding and removing reactant and product shifts a system at equilibrium write statements
an electric power station burns 50 acute 105 tons 1 ton 2000 lbs of coal annually assuming that the coal is 100 carbon
what is the result of the following subtraction expressed with the correct number of significant figures 2015
a voltaic cell consists of a pbpb2 half-cell and a cucu2 half-cell at 25 c the initial concentrations of pb2 and cu2
a an unknown liquid boiling around 185 5 degrees c in 5 hcl but is insoluble in water and in a ph 55 buffer shaking
the basicity test differentiates aromatic and aliphatic amines based on their solubility in a ph 55 buffer given that
what new compound will be produced in high yield if 2-tert-butyl-chlorooxirane will be treated with sodium methoxide in
phosphorus pentafluoride is a colorless gas that fumes strongly in air phosphorus pentafluoride has a boiling point of
suppose that an 800 laboratory animal ingested 120 of a substance that contained 245 by mass an alpha emitter with a
distinguish between which are aromatic compound given multiple structures how can you tell the difference between which
the total heat of hydration of 1 mol of gas li ions and cl ions is -865 kj the lattice energy of licl is 828 kjmol
strontium nitrate is used in as an oxidant in fireworks where it also produces a nice red color answer the following
the deltago for the change from liquid to gaseous water is positive non-spontaneous however we all know that liquid
what is the total pressure in atm in a 150 l flask 200 degrees celcius which contains 0127 moles of h2 and 0288 moles
which of the following solutions would have the highest ph value assume that they are all initially 010 m
the mechanism for the reaction 2no o2----gt 2no2 is believed to involve the following steps 1- 2nolt----gt n2o2 fast
a reaction has a rate constant of 000117 s-1 at 400 k and 0689s-1 at 450 k1- calculate the activation energy ea and the
how do you tell zeroth first and second orders apart graphically like how zeroth is supposed to be linear also what are
what volume of 600 m sodium hydroxide in millimeters must be diluted to 2290 ml to make a 150 m solution of sodium
given that an atom of a semiconductor has a diameter of 310 a what is the maximum number of moles that fit in the
given that an atom of a semiconductor has a diameter of 333 what is the maximum number of moles that fit in the
find the identity of an unkown metal m if 3550 grams of the unknown metal reacts with nitrogen gas to give 4025 grams
naturally occurring chlorine consists of only two isotopes chlorine-35 and chlorine-37 the atomic mass for chlorine on
nitrogen and oxygen form an extensive series of at least seven oxides with the general formula nxoy one of them is a
what is the mass percent composition of carbon in a 0100 g sample of a carbon-hydrogen-oxygen compound the compound