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Problem- The resolution for two compounds in a chromatogram was measured to be R = 0.928. The retention times for each compounds compound are
tR,A = 22.137 min
tR,B = 22.554 min
The dead time for the run was tM = 2.945 min. Determine the average number of theoretical plates in the column for these compounds.
I desire help for above question. Illustrate each step for the above problem.
Calculate the mass in grams of hydrogen chloride produced when 5.05L of molecular hydrogen measured at STP reacts with an excess of molecular chlorine gas.
the heat capacity of iron is 0.449 jgmiddotk. a blacksmith is hammering a 261 g horseshoe that has been heated to 1200
Predict whether each of the following should form a normal or inverse spinel (hint: think about CFSE's): MgV2O4, VMg2O4, NiGa2O4, ZnCr2S4, NiFe2O4, Mn3O4, Fe3O4
Write the net ionic equation to show the formation of a precipitate (insoluble salt) when the following solutions are mixed. Write noreaction if no insoluble salt forms CaCl2(aq)+Mg3(PO4)2(aq)
For cell with hydrogen and silver-silver-chloride electrodes, the cell potential was measured at 0.342V at 298K. Calculate the mean activity coefficient for HCL if the molality of the solution is 0.2 m.
Calculate the amount of heat required to completely sublime 14.0 g of solid dry ice (Co2) at its sublimation temperature
How can the function PV/RT be used to show how gases behave nonideally? Negative deviations result from . Positive deviations result from.
how many molecules of carbon dioxide are produced when 145 molecules of acetylene hcch to react in excess oxygen
How many resonance structures does HSO4- have. The way I've been doing it would make it 12 but that seems like it'd be too many.
How many mL of 0.100 M NaOH is required to react with 50.0 mL of 0.100 M H2SO4 according to the reaction 2NaOH + H2SO4 --> 2H2O + Na2SO4
Question- What is the maximum volume of 4.9E-5M K2CrO4 that, added to 17.0ml of a solution that is 8.6E-5M Ba(NO)2 and 5.4e-6 M Pb(NO3)2, will precipitate PbCrO4 bit not BaCrO4? For PbCrO4, Ksp=1.8e-14 and for BaCrO4, Ksp=1.2e-10
Calculate the mass (g) of NiS that will dissolve in 1100 mL of 0.169 M NiCl2 solution. The equation represents the solubility process.
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