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an aqueous solution of an unknown ruthenium salt is electrolyzed by a current of 250 a passing for 500 minutes if 2618
ethanol c2h5oh has a normal boiling point of 784 oc estimate suniverse at this 500 oc for the process c2h5oh l c2h5oh
a buffer containing 025 m nh3 kb 18 x 10-5 and 040 m nh4cl is prepared a what is the ph of this buffer solution b what
a radioactive 32p nucleus has a half-life of 143 days if a 5000 g sample is allowed to decay naturally how much time
calculate the expected vapor pressure at 25 oc for a solution containing 1580 g of nonelectrolyte sucrose mw 3423 gmol
the specific heat capacity of silver is 024 jg oc a calculate the amount of energy required to raise 1500 g ag from 273
mercury and bromine will react with each other according to the reaction hg l br2 l hgbr2 s what mass of mercury ii
nitroglycerin is explosive decomposing violently via the reaction 4 c3h5n3o9 s 12 co2 g 6 n2 g 10 h2o g o2 g if
balance the following equations for both mass and charge a c3h8o l o2 g co2 g h2o l b k2s aq nino32 aq kno3 aq
what are the mechanisms for the following 2 reactions 1 2-iodohexane reacting with naoch3hoch3 2 2-iodohexane reacting
for the fractional distillation a mixture hexane bp69 and toluene bp1106 is used a sketch a temperature versus volume
an unkown metal crytallizes in one of the three cubic latticesthe edge length of the unit cell is 408pmgiven that the
the inversion of compound b is experimentally determined to follow the rate law dbdt -kbahb at 25 degc and a constant
a solution contains 010 m of iodide ion i- and 010 m carbonate ion co3 2- if solid pbno32 is slowly added to the
what is the enthalpy for reaction 1 reversed reaction 1 reversed 2no o2 ---gt 2no2 it is already reversed i tried -114
calculate the ph of 100 l of a buffer that is 0200 m in hc2h3o2 and 0100 m in nac2h3o2 the ka of hc2h3o2
how do i determine if an ionic compound has the crystal structure of a simple cubic a body-centered cubic or a
if the ecell measured of cu vs zn is 652 and the ecell meausered of zn vs sn is 302 what is the ecell of cu vs
which of the following reactions is equal to of the products check all that apply a lis 12 clg ---gt licls b h2g 12
which one would undergo sn1 reaction and then which would undergo sn2 reaction i know tert-butyl chloride would undergo
in fractional distillation and steam distillation we used tap water what would happen if you inversed the water in and
how will each of these changes affect the cell potential and why a solid sodium hydroxide is added to the copper cell b
a experiment would also work using another reactive metal such as zincif you had used the same number of grams of zn as
if the amount of gas collected had not been corrected for the presence of water vaporwhat effect would this have had on
using the reduction potentials given calculate the equilibrium constantk at 25 degrees celsius for the reactionag aq