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the standard cell potential for the following galvanic cell is 092v als al3aq cr3aq crs calculate the standard
which ionization process requires the most energy a atg at2g e- b pogpo2g e- catgatg e- d pogpo
what is the equilibrium constant kc for the reaction below assume temperature is 25oc hint represent the reaction below
when 550 g of bas is added to 10000 g of water in a container open to the atmosphere the reaction shown below occurs
a 250 ml sample of 020 mol l-1 hno2aq is titrated with 020 mol l-1 kohaq at 25oc what is the ph at the equivalence
let ha represent a weak monoprotic acid with ka10x10-4 at 25oc add hcl or naoh to 100 l of 100 mol l-1 haaq to obtain a
the ph of a 0010 mol l-1 solution of a weak monoprotic acid is 209 at 25oc what is the pka for this
what l-monosaccharide would yield an an optically active aldaric acid on oxidation with nitric
how much heat energy in kilojoules is required to convert 520 g of ice at 180 c to water at 250 c express your answer
you and your lab mate have just finished extracting trans-lycopene from tomatoes your lab partner thinks it would be
ethanol c2h5oh has a normal boiling point of 784 oc estimate suniverse at this 500 oc for the process c2h5oh l c2h5oh
for the reaction 3c2h2g---gt c6h6l at 25 c the standard enthalpy change is -631 kj and the standard entropy change is
standard molar entropies so in jkmol are given below each reactant and product in the reaction shown below the standard
calculate the volume of a sample of nitrogen at -74 c and 13 atm if it occupies a volume of 407 l at 946 c and 1080
combustion analysis of an unknown compound containing only carbon and hydrogen produced 11385 g of co2 and 05805 g of
write and balance the eguation for a neutralization of sulfuric acid of unknown concentration by sodium hydroxide
what might happen to your calculated naoh molarity if you use tap water rater than deionized water to dissolve the khp
one tablespoon of peanut butter has a mass of 15g it is combusted in a calorimeter whose heat capacity is 130 kjdegrees
addition of 00125 mol hcl to 150 ml of a 0150 m formic acid0100 m sodium formate buffer results in a ph ka of formic
the two salts nahpo4 and na2hpo4 are used to make a buffer which one is the acid and which one is the
use retrosynthetic analysis to suggest a way to synthesize 3-hexanol using the grignard
what region of the c13 nmr spectrum would you find a resonance for the carbonyl group of an aliphatic
calculate the of carbon dioxide in water at an atmospheric pressure of 50 atm mole fraction 000333 kh mollatm 674 x