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1-iodobutane was synthesized by adding 5.2 g of 1-bromobutane as well as 6.0 g of sodium iodide. Form the reaction, 2.21 g of 1-iodobutane were obtained. Compute the percent yield and theoretical yield. Which is the limiting reagent? Illustrate calculations.
Calculate the enthalpy and entropy change of C2H6 from a state at 300K and 30 bar to a state at 400 K
If 3.93 g of sodium borohydride contains 2.5 × 10^23 H atoms, how many moles of H are present in 27 cm3 of sodium borohydride (of density 1.074 g/cm3)?Answer in units of mol
what would be the chemical equation to this problem? In an investigation of the reaction between copper(II) ions, Cu2+, and hydrazine, N2H4, in alkaline conditions the following observations were made: 25 mL of a solution containing 25 g/L CuSO4.5..
according to the following thermochemical equation what mass of h2o in g must form in order to produce 975 kj of
if you prepare a 1.00 m solution of nh4clo4 beginning with water at 22.5 c what is the final temperature of the
What is the pH at the equivalence point in the titration of a 25.2 mL sample of a 0.489 M aqueous hydrocyanic acid solution with a 0.345 M aqueous barium hydroxide solution
If the hydrolysis to the diacid is not complete, how could you separate the desired diacid from the unhydrolyzed anhydride by extraction. Discuss the chemistry involved.
What is the percentage protonation of the solute and Calculate the pH of the solute in an aqueous solution of 0.611 M Aqueous solution of Ammonia
which gas has particles with the slowest average speed at 28 C? 1- Carbon dioxide 2- Sulfur trixoide 3- Sulfur hexafoluride 4- Hydrogen choride 5- Helium
Consider a solution that is 0.10 M in a weak triprotic acid that is represented by the general formula H3A with the following ionization constants. What is the concentration of HA2-? For H3A Ka1=1.0E-3 Ka2= 1.0E-8 Ka3= 1.0E-12
calculate the volume of 6 mnaoh necessary to react completely with 10.0 mmol of methylsalicylate. how much of the 6 m
What is the solubility (in M) of PbCl2 in a 0.15 M solution of HCl. The Ksp of PbCl2 is 1.6 x 10^-5
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