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a beaker with 200 ml of an acetic acid buffer with a ph of 500 is sitting on a benchtop the total molarity of acid and
what amount of solid naoh must be added to 10 l of a 012 m h2co3 solution to produce a solution with h 30times10-11 m
how would you adjust the volume of a container in order to maximize the product yield in the following reactionb c2h2g
in a mixture of helium and chlorine occupying a volume of 159l at 8226 mmhg and 532 c it is found that the partial
it takes 721x10-19 j of energy to remove an electron from an iron atom what is the maximum wavelength of light that can
what volume to the nearest 01 ml of 450-m naoh must be added to 0400 l of 0150-m hno2 to prepare a ph 320
how many minutes will it take to plate out 1622 gram of al3 using a current of 129 amps in an electrolyic cell what
a hydrogen atom with its electron in the n3 energy level absorbs light with a wavelength of 1879 nm the final energy
the energy of a photon is 316 times 10-19j what is the wavelength of the corresponding light what is the color of this
a graph of abs vs time of the product of an enzyme catalyzed reaction has a slope of 0009 sec-1 what is the velocity of
a 100 l reaction flask contains ammonia at 0407 atm and 22degc and 152 ml of hydrogen chloride gas at 750 atm and 271 k
the p-dinitrobenzene radical anion can be prepared by reduction of p-dinitrobenzene the radical anion has two
for a van der waals gas use the thermodynamic equation of state to find du dvt compare your result to the corresponding
calculate the ph of a solution that is 35 hcl by mass the molar mass of hcl is 36458g and density is 101
determine the value of keq for ca3po42 ksp2010-33 dissolving in acid solution given that ka261710-8 ka347910-13 for
for feco3 dissolving in acid solution the value of keq is 066 calculate the concentration of fe2 in a solution obtained
calculate the ph at the second stoichiometric point when 100 ml of a 0020 m solution of sulphurous acid ka11410-2
sleeping pills often contain barbital which is weakly acidic pka 800 for analysis of the barbital content of a
what mass of nah2po4 must be added to 120 l of 020 m na2hpo4 to make a buffer solution whose ph690
the ionization energy for sodium is 496 kjmol the electron affinity for chlorine is -349 kjmol use these values and
a brown colored salt contains a cation from group 3 fe mn ni it has no reaction with concentrated h2so4 and produces a
when a solution of magnesium chloride is electrolyzed redlitmus turns blue and a gas is evolved in the cathode chamber
why is it necessary to add sodium chloride to the steam distillate before carrying out ether
how would you determine whether you have really neutralized the solution after the addition of