Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
The composition by mass % of methyl alcohol, ethyl alcohol, n-Propyl alcohol and water in two solutions A and B are given below.
Methyl alcohol Ethyl alcohol Propyl alcohol WaterSolution A (20°C) 2 20 15 63Solution B (20°C) 5 75 5 15
(a) What are the masses in kg of solution A and solution B required, to make 100 kg of a mixture containing 25% ethyl alcohol by mass?
(b) Assume that the volume of the mixture equals the sum of the pure components volumes. Also assume that all alcohol and water are completely miscible. Calculate the densities (kg/m3) of solutions A and B and the mixture containing 25% ethyl alcohol by mass?
Calculate the partition coefficient of caffeine between water and each of the other three solvents. Which of these three organic solvents would be the best choice for extracting caffeine from an aqueous solution?
What reagents will convert benzene to aniline the most efficiently? Also what reagents will convert toluene to p-aminobenzoic acid
Using data from thermodynamic quantities at 298.15K, calculate deltaG^degree for the following reactions. Indicate if each reaction is spontaneous at 298K under standard conditions.
Nitrogen and hydrogen combine at high temperature, in the presence of a catalyst, to produce ammonia. N2(g) + 3H2(g) --> 2NH3(g) Assume 0.170 mol of N2 and 0.543 mol of H2 are present Initially
Question1 : If a sample of water from a pond is to be analyzed for whatever chemicals it may contain (including organic compounds and metal containing species), give a very brief, but specific description of the protocol that would be best used, i..
Assume that you found that the average volume of water required to fill the graduated cylinder to the 8.00 mL mark was 7.75 mL. What is the percent error
Calculate pCd2 at each of the following points in the titration of 55.00 mL of 0.0020 M Cd2 with 0.0020 M EDTA in the presence of the auxiliary complexing agent NH3.
Write the structure of the conjugate acid of this base while consider the base monosodium phosphate, Na (HO)2P( O)O also explain why an aqueous solution of monosodium phosphate would be ineffective for extracting benzoic acid? pKa of this conjugat..
Draw a mechanism for the dehydration of cyclohexanol catalyzed by phosphoric acid.
A mysterious material was purified from safflower oil (hint: full of fatty acids). Upon ozonolysis it gave the following compounds in their respective molar ratios.
Calculate the pH during the titration of 29 mL of 0.2 M HNO3(aq) with 0.15 M NaOH after 10 mL of the base
The dipole moment of HBr (a polar covalent molecule) is 0.784 (debye), and its percent ionic character is 11.6 . Estimate the bond length of the bond in picometers.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd