Questions asked by Professor Sam

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• Someone would be kind enough to help me with this exercise: #2"SO"_3(g) -> 2"SO"_2(g) + "O"_2(g)# ?
  
• Please help me with ?
  
• Any reasonable theory for creation of dark matter to creation of big bang and also write the relation between dark matter and dark energy???
  
• Why is #ZnCl_2# is an acid though it does not have a #H^+# or a #OH^-#?
  
• What is #K_a# of #"ZnCl"_2# ?
  
• What is the Ka of an acid of 6M which has a pH of 2.5 at 277.5K ?
  
• How can we convert #DeltaH_f^@# at 298K to #DeltaH_f^@# at different temperatures ?? Also tell how to convert bond energy at 298K to bond energy at different temperature
  
• Can we become anonymous in socratic org just like in yahoo answers??
  
• What is the #DeltaH_f^@# of liquid water ? Show calculation with bond energies
  
• How can we extract vinegar or acetic acid from coconut water?
  
• Are chemical equation balancer on internet true?
  
• What is the Ksp and Kf of #Zn(H_2O)_6# ?
  
• What is the freezing point of a 1molal and 0.432molal #Zn(H2O)_6 ^(+2)#?
  
• The logarithm of hydrolysis constant, K1,-1, for the removal of one proton from an aqua ion [M(H2O)n]z+ - H+ ⇌ [M(H2O)n-1(OH)](z-1)+ [ [M(OH)]{(z-1)+ ] = K1,-1 [Mz+] [H+] −1 shows a linear relationship with the ratio of charge to M-O distance,z/d where?
  
• When zinc chloride is dissolved in water many complexes are formed. How many complexes are formed and what are they ? What is the complex which has the largest Ka?
  
• What is the chemical formula when zinc chloride is dissolved in water and forms tetrahedral chloro aqua complexes where the reduction in coordination number from 6 to 4 further reduces the strength of the O-H bonds in the solvated water molecules ?
  
• When you delete a message after sending it to someone ,is the message visible to the person whom we send the message ?
  
• Why is unit conversions in chemistry category and not in some other subject? like converting mm to cm.These are not a part of chemistry though.......
  
• Is there any probability that dark matter is either made of 3 neutrons bound together or it can be neutronium?
  
• How much energy is required to release one photon?
  
• What is the electricity required to produce 1 photon,red photon and blue photon?
  
• Time travels faster than light. Light has a mass of 0 and according to Einstein nothing can move faster than light if it doesn't have its weight as 0. Then why does time travel faster than light?
  
• Only we can calculate the energy emitted when #n_x rarr n_t#only in the hydrogen atom not in any other atom. When will be the new equation which can apply to all atoms found in the future?????
  
• What is the easiest way to prepare #C_36H_46O_5# ?
  
• How to calculate the potential energy of an electron in the #"nth"# shell (also take example #"n=3"# shell) of a copper atom using the Hartree Fock Theory? Also calculate its kinetic energy
  
• Calculate the amount of energy not used to produce electricity when a photon of wavelength #1*10^-12m# hits sodium metal which has a work function of 2.3eV?
  
• What are the steps to recognize this liquid substance?
  
• #NH_4OH + HCl(aq) = NH_4Cl(aq) + H_2O(l)# no significant change can be noticed How to make sure that a reaction is really taking place ?
  
• I accidentally mixed CaOH, potassium permanganate, HCl, HNO3, NH4Cl, CuSO4, NaOH, NaHCO3. and a green liquid with yellow bubbles and a deep blue substance was formed. I want to know the reactions that actually happened and what are the substances?
  
• How to decide which hydrogen would be the leaving group in compounds such as bicyclo[3.3.1]nonane?More specifically why does the bromine substitution occur at the hydrogen attached to the bridgehead and not the other hydrogens attached to the carbons .
  
• Give examples of some reactions whose mechanism is unknown or the mechanism changes every time ?
  
• Can ferric(3) oxide or ferric(3) acetate be substituted with ferric(3) chloride for phenol test ?
  
• Why does brom o- 1 butene and bromo 2 butene undergo resonance?
  
• Why does brom o- 1 butene and bromo 2 butene undergo resonance?
  
• Can the Uncertainty Principle equation be derived from the Schrodinger equation? Kindly show all steps?
  
• How to find the auxillary equation and the final solution for #(d^2Phi)/(dphi^2) + BPhi = 0# assuming #Phi = e^(im_lphi)#?
  
• The differential equation is #(dphi)/dx+kphi=0# where #k=(8pi^2mE)/h^2#E,m,h are constants.Find what is #(h/(4pi))# If #m*v * x ~~(h/(4pi))#?
  
• Schrodinger equation in 1 dimension Question details in the image?
  
• How can one describe the #Deltap " and " Deltax# in respect to the Schrodinger Equation?
  
• If there is a hydrogen atom in vacuum,will the momentum of the electron will be constant or not ?Why will it change
  
• #(del^2Psi)/(delx^2) + (8pi^2m)/(h^2)(1/2mv^2)Psi = 0# Find #xmv# ?
  
• #psi(x) = 1/(sqrt(2pibarh))intPhi(p)e^(1/hpx)dp# Is #Phi = e^(im_lphi)#?
  
• What will the potential energy of an electron in a atmosphere of 71% #N_2# and 21% #O_2# and 4%co2 and 4 percent water vapour?
  
• Find #j(x)#. What type of wave this is describing?
  
• Compute #hatP^2# and is #hatP# idempotent?
  
• Compute normalization constant A if #n=1#?
  
• If #hatT_L# is the translation operator ,which acts on a function like this #hatT_Lf(x) = f(x-L)# and #hatx#which acts on #hatxf(x)=xf(x)# then prove #[hatT_L ,hatx]= -LT_L# ? Also how will translation operator act on the fourier transform of #f(x)#
  
• Use the a) and b) to prove #hatT_L = e^(LhatD)# #(a)[hatT_L,hatD]=0# #(b)[hatx,hatT_L]=-LhatT_L# ?
  
• #psi_A(x,0) = sqrt(1/6)phi_0(x) + sqrt(1/3)phi_1(x) + sqrt(1/2)phi_2(x)# Calculate the expectation value #<E># at any later time t=#t_1#, #phi_n# are energy eigenfunctions of the infinite potential well .Write the answer in terms of #E_0#?
  
• #psi_A(x,0) = sqrt(1/6)phi_0(x) + sqrt(1/3)phi_1(x) + sqrt(1/2)phi_2(x)#? More questions
  
• #Psi(x,t) = sqrt(1/L)sin((pix)/L) e^-(iomega_1t ) + sqrt(1/L)sin((2pix)/L) e^-(iomega_2t )#new question?
  
• A particle of mass m in a harmonic oscillator potential #V(x)=(momega_0^2)/(2)x^2# has an initial #psi(x,0)=1/(sqrt2)[phi_0(x) + iphi_1(x)] # where #phi_n# are the normalized eigenstates for harmonic oscillator?
  
• If #psi=A(x)e^(itheta(x))#where #A(x) and theta(x)# are real functions prove that the probability current #J(x,t) = |A(x)|^2(ℏ/m)d/(dx)(theta(x))#.?
  
• How do I find the eigenvalues for the finite potential well of width 2L?
  
• How do I plot the energy eigenvalues and wave function solutions of a delta function double potential well with #V(chi) = -alpha(delta(chi+L)+delta(chi-L))#?
  
• How to plot the transmission coefficient as a function of #E//V_0#?
  
• Let #phi_n# be the properly-normalized nth energy eigenfunction of the harmonic oscillator, and let #psi = hatahata^(†)phi_n#. What is #psi# equal to ?