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identify the conjugate base of hso4 - in the reaction h2po4- hso4- h3po4 so42- a h2po4- b h2so4 c h2o d h3po4 e
why does of2 have a single bond why not double bond wouldnt it be better to use a double bond and then o wouldnt have a
calculate the extent of reaction at gel point for a mixture of 08 moles of pentaerythritol 05 moles of ethylene glycol
refer to galvanic cell 0010 m zn2 in left cell and 15 m ag in right cell standard reduction potentials are as follows
ethylene does not polymerize at ordinary pressures under conventional free radical processes why is
arrange the following solutions in order of decreasing freezing point 020 m mgcl2 015 m c6h6 010 m crbr3 015 m
at 699 k deltag -2325 kj for the reaction h2g i2g --gt 2hig calculate deltag for this reaction if the reagents are
fes 32o2g 32h2g --gt feoh3s at constant 25 degrees c and 1atm deltah for feoh3s are -82425 kjmol s for fes o2g h2g
1 how would the observed molar mass of the unknown liquid have been affected by the following circumstances would it be
for a certain process at 25 degrees c deltag -24 kj and deltah 12kj calculate deltas for the
for a particular chemical reaction deltah -55kj and deltas -25jk under what temperature condition is the reaction
why is the following not a redox reaction is it because it forms a solid what are the charges for each i got this wrong
an old tablet of vitamin c weighed 1022 g it was dissolved in 500 ml water and a 25 ml aliquot of this solution
a radiation source has an intensity of 650 rem at 10 m what distance is needed to decrease the intensity of expo- sure
if an equilibrium constant is much larger than one it means a the position of equilibrium favors the formation products
the ph of a solution is 10 which of the following correctly describes the relative amounts of h and oh- in the solution
there are several aromatic compounds with the formula c8h9cl name those that have a trisubstituted ring where the
c6h12 9o2 ----gt 6co2 6 h2o 42 grams of cyclohexane burns in excess air to from carbon dioxide and water how many
n2 2o2 -----gt n2o4 803 x 1023 molecules of oxygen react with excess nitrogen what is the maximum number of grams of
the pka values for some weak acids are given which is the strongest acid of the group a pka25 b pka7 c pka92 d pka
a gaseous fuel mixture stored at 744mmhg and 298 k contains only methane and propane when 130l of this fuel mixture is
a on the basis of your intuitive understanding of the chemical properties of sodium and gold where in your activity
the reaction ch42o2co22h2o is exothermic which of the following will drive the reaction to the right a a decrease in