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the oxidation of ethanol ch3-h2c-oh produces acetaldehyde ch3-hco this reaction catalyzed by enzymes takes place in the
a metal cube of volume 155plusmn 05 cm is found to weigh 210 plusmn 5 g a what is the density of the metal in kgm3
construct a simulated 1h nmr spectrum including proton integrations for ch3chcl2 drag the appropriate splitting
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how does this work do you just omit the h20oh- calculate the value for the equilibrium constant for each of the
a liquid fuel mixture contains 2825 hexane 1405 heptane and the rest octanewhat maximum mass of carbon dioxide is
any feedbackhow to would be great calculate the concentrations of all species present in a 025 m solution of
calculate the ph of a 036 m solution of nahso4 if solid na2co3 is added to a solution of nahso4 what reaction occurs
calculate co32- in a 0045 m solution of co2 in water h2co3 if all the co32- in this solution comes from the reaction
in an artificial transmutation process a nucleus of al-27 absorbs an alpha particle and emits a neutron what is the new
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ozoneo3 is destroyed when clo levels are high clo is likely formed from the decomposition of chlorofluorocarbons cfcs
calculate the standard enthalpy of formation of acetylene c2h2 from its elements 2cgraphite h2g -------- c2h2g use the
the complete combustion of hydrogen h2g to form h2ol at constant pressure releases 2858 kj of heat per mole of h2g
hydrogenation of carbon double bonds cc ie adding a hydrogen on each carbon atom and thus reducing the double bond into
when 0564g of biphenyl c12h10 undergoes combustion in a bomb calorimeter the temperature rises from 253c to 298c find
calculate the hydronium ion concentration and the ph of the solution that results when 200 ml of 015m acetic acid is
nitrogen oxides nox play an essential role in the production of pollutants found in photochemical smog the nox in the
consider the following ions nh4 co32-br-s2-clo4- a which of these ions in water gives an acidic solution b which of
it takes 530 j to raise the temperature of an 102 g piece of unknown metal from 130 c to 249 c what is the specific
the specific heat capacity of liquid water is 418 jg-k how many joules of heat are needed to raise the temperature of
strontium-90 is present in the fallout produced by nuclear weapons testing in the atmosphere sr-90 is potentially
plutonium-239 is a byproduct of the fission reaction used to produce energy in nuclear power reactors it has a