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the melting point range is measure for two materials a and b for material a the melting point range is from 585 c to
what wold you prodict for the relative reactivity of 4-trifluoromehylbenzaldehyde in this aldol condensation reaction
what is the balanced net ionic equation for precipitation of caco3 when aqueous solutions of na2co3 and cacl2 are
1 during an experiment a student mixed 145ml of a 0500m sodium fluoride solution with 156ml of a 0750m hydrofluoric
in solid nickel the atoms are so tightly packed they touch each other using geometry and the equation 4r a212 and a
draw all of the resonance forms of 4-methoxybenzaldehyde which contribute to the reducwd electrophilicity of the
a solution is made by combining 150 ml of 180 m acetic acid with 550 g of sodium acetate and diluting to a total volume
i understand that benzyl bromide does react in an sn1 reaction because the carbocation is stabilized by resonancebut
does your spectrum allow you to confirm that the structure of the product is a combination of the two reactants briefly
a solution was prepared by dissolving 0450 g mgso4 fw120363gmol in 0500l of water a 500 ml aliquot of this solution
a 2500 ml sample containing fe3 was treated with 1000 ml of 00367m edta to complex all of the fe3 and leave excess edta
the calcium in a 150 ml sample of water from the ogeechee river at a location near savannah was determined by
a 5000-ml solution containing nabr fw102894gmol was treated with excess agno3 to precipitate 02146 g of agbr fw
we are enabling the trans to cis isomerization of e-12-bidenzoylethylene by irradiating the alkene with lightwhy does
how much energy is required to vaporize 158g of butane c4h10 at its boiling point if it has hvap is
major monogram sent agent p to a different mission agent p will be out of reach for a time major monogram thinks that
all of the common noble gases are mono atomic and low boiling their boiling points in degc are ne-245 ar-186kr-152 and
if 0208g of an unknown salt of oxalate ion requires 25ml of 002 m mno4- solution calculate the molar mass and write
combining aqueous solutions of bai2 and na2so4 affords a precipitate of baso4 which ions isare the spectator ions in
how much ammonia in a lab at 22 degree celcius would be necessary to make 10 g of urea if the yield is know to be less
100 ml of 0150 m acid ha are mixed with 100 ml of 00800 m naoh calculate the titration constant kt of the resulting
the value of delta e for a system that performs 213 kj of work on its surroundings and loses 79 kj of heat is
a sample of aluminum metal absorbs 986j of heatupon which the temperature of the sample increases from 232 c to 395 c
assume that an esterification reaction is done using 010 moles of a carboxylic acid and 1 moles of an alchohol what is
potassium hydroxide is used to precipitate each of the cations from their respective solution determine the minimum