Can anyone explain the complete mechanism for preparation of amines via gabriel synthesis starting with phthalimide?
In: Chemistry
10. A mixture of 0.08729 mol of H2O, 0.1041 mol of CH4, 0.08069 mol of CO, and 0.1098 mol of H2 is placed in a 1.0-L steel pressure vessel at 1034 K. The following equilibrium is established:
1 H2O(g) + 1 CH4(g) 1 CO(g) + 3 H2(g)
At equilibrium 0.06283 mol of CO is found in the reaction mixture.
(a) Calculate the equilibrium partial pressures of H2O, CH4, CO, and H2.
Peq(H2O) = ____ .
Peq(CH4) = ____ .
Peq(CO) = ____ .
Peq(H2) = ____ .
(b) Calculate KP for this reaction.
KP = ____ .
In: Chemistry
balance the redox reaction
NO2- + MnO4- + H+ -------> NO3- + Mn2+ + H2O
show work please
In: Chemistry
14. From the half-reactions below, calculate the solubility product of Mg(OH)2.
Mg2+ + 2e º Mg(s) E° = -2.360 V
Mg(OH)2(s) + 2e º Mg(s) + 2OH- E° = -2.690 V
In: Chemistry
how would the polarizability change in magnitude if we raise the temperature of xenon to above its boiling point? why?
In: Chemistry
1. Describe an ELISA procedure that you would use to determine if a person was infected with the human immunodeficiency virus, the causative factor of AIDS.
In: Chemistry
In the reaction shown below, what species is oxidized? 2NaI + Br2 → 2NaBr + I2
A) I–
B) I2
C) Br2
D) Na+
E) Br–
In: Chemistry
Estimate the heat of vaporization of diethyl ether at its normal boiling point using Trouton’s rule and Chen’s rule and compare the results with a tabulated value of this quantity. Calculate the percentage error that results from using each estimation. Then estimate ΔH^v at 100°C using Watson’s correlation.
In: Chemistry
19. Why are receptors and substrates sometimes explained in terms of locks and keys?
26. Why is a drug
In: Chemistry
what is the percentage of the R enantiomer in a sample of Carvone that has a specific rotation of 30, given that the specific rotation of (R)- CARVONE IS -61
In: Chemistry
Why should we boil water and shake the solution in the volumetric determination of alkalinity of soda ash?
In: Chemistry
Secondary prevention of type II diabetes includes monitoring of your patient glucose control. Your patient comes in confused about their blood tests results. Although he understands his fasting plasma glucose result, he does not understand what the HbA1c percentage means. You explain that an HbA1c level of 8.5% is equivalent to a glucose level of how many mg/dl?
In: Chemistry
An unknown compound has a molecular mass of 180.15 g/mole and an elemental analysis showing that it is 60.00% C and 4.48% H. Determine the molecular formula.
In: Chemistry
Consider the complex trans-Mn(NH3)4(CN)2. What point group is this complex?
What is the symmetry for each of the d orbitals?
Draw the expected d orbital splitting, and fill with electrons.
In units of Bohr magnetons, what is the electronic contribution to the magnetic susceptibility of this complex?
If we add 1 equivalent of cyanide to a solution of the above complex to replace a NH3 ligand with a CN- ligand, what mechanism should this ligand exchange follow?
What are the individual steps to this mechanism?
What is the ground state term symbol for the product?
What is the proper name of the product?
In: Chemistry
The triprotic acid H3A has ionization constants of Ka1 = 6.2× 10–3, Ka2 = 9.6× 10–9, and Ka3 = 6.3× 10–12. Calculate the following values for a 0.0790 M solution of NaH2A
A)Calculate the following values for a 0.0790 M solution of NaH2A.
H+=?
H2A-/H3A=?
B)Calculate the following values for a 0.0790 M solution of Na2HA.
H+=?
HA2-/H2A-=?
In: Chemistry