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gaseous dinitrogen pentaoxide decomposes into oxygen and nitrogen dioxide if we start with a partial pressure of 300
calculate the millimoles of sodium hypochlorite used in the reaction 23ml of a 525 solution clorox compare this value
the molar heat of neutralization from hydrochloric acid and sodium hydroxide is -573 kjmol use the accepted value to
a 1299g sample of copper that is at 70celsius is added to 100g of hot water is initially at 932 celsiusa from the first
the free energy change delta gt at 2400 k is equal to 122105 jmol calculate the equilibrium constant at 2400
how would the value of the atomic mass of the metal calculated be affected if the hot metal sample cooled off before it
when thallium chloride tlcl dissolves in water and forms a saturated solution it establishes the equilibriumtlcls
a the enthalpy of combustion for c6h12o6s is -2830kjmola write a balanced equation for the combustion of c6h12o6 in
calculate the ph of 100 ml of 031 m nh3 before and after the addition of 45 g of nh4no3 and account for the change
in a particular redox reaction bro- is oxidized to bro3- and ag is reduced to ag complete and balance the equation for
consider the titration of a 250 ml sample of 0110m hc2h3o2 with 0130m naoh determine the ph at one-half of the
calculate the percent ionization of benzoic acid for the following concentration a 040 m b 000040 please show work i
why do you need to keep a mixture of nabh4 and meoh in ice bath write down equation and explain why you have to put in
which compound has the higher barrier to rotation about the central c-c bond 23-dimethylbutane or 223-trimethylbutane
draw both chair conformations of the following structure and label which one is more stable draw the two possible
trimethylamine ch33n has a kb 74x 10-5 what is the percent dissociation of a 015 m solution of this base in
a calculate the freezing point of a solution of 234562g of sucrose c12h24o12 dissolved in 55000g of water for water
a calculate the molar solubility of mercury i bromideb i2g br2glt---gt2ibrg kc87 x10 to the second at 150 degrees
benzaldehyde is easily oxidized by air and produces a white crystalline material what is the name of this oxidation
a liquid fuel mixture contains 3130 hexane c6h14 1575 heptane c7h16 and the rest octane c8h18 what maximum mass of
draw the structure of the product you would have isolated if you had used nabd4 in d2o in this experiment and write a
a liquid with a density of 400 lbft3 flows through a long pipe of circular cross section at a rate of 200
determine the volume in ml of 516 m potassium hydroxide koh that must be added to 447 ml of 0703 m hypochlorous acid
a liquid with a density of 400lbft3 flows through a long straight pipe of circular cross section at a arte of 200
if a 10000 g sucrose solution has a boiling point of 1015oc how many moles of sucrose are in the solution how many