Answers created by Truong-Son N.

• Back to user's profile
• Next
• Question #a31cd
  
• There are several aromatic compounds with the formula #C_8H_9Cl#. What are three that have a disubstituted ring where the chlorine is not attached to the ring?
  
• What would be the final temperature when 100 g of 25° C water is mixed with 75 g of 40°C water?
  
• How do you find the domain and range of # f(x) = (x+7) / (x-5)#?
  
• How do you factor the expression # x^2 + 4x + 3#?
  
• Question #6dd0a
  
• How do you evaluate the limit #e^xcosx# as x approaches #0#?
  
• How many half-filled orbitals are in a bromine atom?
  
• How are carbocations stabilized?
  
• What is the role of acetic acid in a bromination reaction with anisole?
  
• What is the hybridization and symmetry of #["Cu"_2"Cl"_8]^(4-)#?
  
• How do you factor #y^2+6y+9# using the perfect squares formula?
  
• How do you solve #3.4/x=2.17/7.7#?
  
• What is the formula for #DeltaH_"fus"#?
  
• How do you solve #b/0.5=9/2.5#?
  
• How do you find the derivative of #e^ [2 tan(sqrt x)]#?
  
• Rank the following in order of acidity of the most acidic hydrogens?
  
• What is the structural formula for #PH_3#?
  
• How do you simplify #12e^7div6e^2#?
  
• Why is helium an ideal gas?
  
• How many unpaired electrons are in a transition metal complex that has a spin-only magnetic moment of #sqrt(15)#?
  
• What is the freezing point of an aqueous solution containing #"40.0 g"# of ethylene glycol in #"60.0 g"# of water? #K_f = 1.86^@"C/m"# and #K_b = 0.512^@ "C/m"# for water.
  
• What is the derivative of #4pi^2#?
  
• What is the ground-state term symbol for the aluminium atom in a magnetic field?
  
• Which atom has the greater electron affinity, #"O"^(-)# or #"O"#?
  
• How do you divide #(6x^4+6x^3-12x^2-7x-7)/(x-2) #?
  
• How do you find the limit of # [ ( t^2 + 2) / (t^3 + t^2 -1) ]# as t approaches #oo#?
  
• How do you find the antiderivative of # ln(cosx) #?
  
• What is 108% of 4000?
  
• How do you solve #(5x-10)/(7x+6)=10/8#?
  
• What is the simplest radical form of #sqrt160#?
  
• How do you solve using completing the square method #-3x^2+30x-74#?
  
• How do you find the square root of 38.94?
  
• Question #bcaa2
  
• How do you find the Maclaurin series for #1/(1+x)^3#?
  
• How do you Calculate the Δx for each of the following?
  
• What reagent should I use to complete the reaction? (Organic Chemistry 1)
  
• For #f(t)= (t-e^(t-1),t+1)# what is the distance between #f(0)# and #f(2)#?
  
• How many sigma and pi bonds do sp, sp2, sp3, sp3d, sp3d2 have?
  
• What is the Lewis structure of #OCS#?
  
• Why do tertiary alkyl halides react in an #"S"_N1# mechanism more easily than #"S"_N2#?
  
• We prepare a buffer by adding 0.5289 mol #HNO_3# to 0.5291 L of a solution containing 1.924 M trimethylamine [#(CH_3)_3N#, #Kb = 6.500x10^-5#]. What is the pH of this buffer? How do you solve this? Please help!?
  
• Why is the electron configuration of chromium #1s^2 2s^2 2p^6 3s^2 3p^6 3d^color(red)(5) 4s^color(red)(1)# instead of #1s^2 2s^2 2p^6 3s^2 3p^6 3d^color(red)(4) 4s^color(red)(2)#?
  
• Is ICl2- nonpolar or polar?
  
• What is the arc length of #f(x)=secx*tanx # in the interval #[0,pi/4]#?
  
• What is the volume of the solid produced by revolving #f(x)=cscx-cotx, x in [pi/8,pi/3] #around the x-axis?
  
• What is the activation energy for the reverse reaction in terms of the activation energy of the forward reaction and the enthalpy of reaction? Draw it out for an endothermic reaction.
  
• How do I calculate the average kinetic energy using the equipartition theorem?
  
• What is the difference between qualitative and quantitative observations?
  
• Find overall reaction for a galvanic cell that will have the highest cell potential. What is the overall potential of the cell? Which two equations do I use?
  
• What is the integral of #int tan^-1(1/x)dx#?
  
• How do you use the chain rule to differentiate #y=(4x^3-7)^4(3x+2)^10#?
  
• Why is Inorganic Chemistry not an available topic on Socratic?
  
• Can you identify the following as weak acid, strong acid, weak base, strong base, or neutral? How do you determine this?
  
• How do you find the limit of #(x²-25)/(sqrt(2x+6)-4)# as x approaches 5?
  
• How do you count pi electrons in aromatic compounds?
  
• How do you solve #2x - 6y = 6# and #-4x + 12y = -18#?
  
• How do you simplify # 1/3+1/2+1/5#?
  
• What is the fractional equivalent of 19%?
  
• Draw the electron configuration diagram for carbon?
  
• Why is aldehyde hydrogen not acidic?
  
• How can you find a sigma bond in an atom?
  
• How do you use Hess's law to find the enthalpy of reaction for these reactions?
  
• How do you integrate #int xtan^-1x# by integration by parts method?
  
• What is the limit of #[3 + 4/x - 5/x^2 + [x-1]/[x^3+1]# as x goes to infinity?
  
• Are #Zn^(2+)# and #Ni# isoelectronic?
  
• What is a chemical reaction mechanism?
  
• Why in formaldehyde (#CH_2O#) are hydrogens attached to the Carbon atom and not oxygen?
  
• How do metal halides work?
  
• How do you calculate the number of microstates a compound has?
  
• How do you draw electron orbital diagrams?
  
• How do you find #cos67.5# using the half-angle identity?
  
• How do you calculate #sin^-1(sin2)#?
  
• How do I simplify #f(x) = 4x - 10pi#?
  
• #cosx(2sinx + sqrt3)(-sqrt2 cosx + 1) = 0#??
  
• What is the maximum value that the graph of #f(x)= -x^2+8x+7#?
  
• How do you find the values of 'a' and 'b' that make f(x) continuous everywhere given #(x^2 - 4)/(x - 2)# if x < 2, #ax^2 - bx + 3# if 2 < x < 3 and #2x - a + b# if #x>=3#?
  
• What are microstates in chemistry?
  
• How do you find q for isothermal processes?
  
• Why is Gibbs free energy zero at equilibrium?
  
• Given the reaction #A -> B#, if the rate multiplies by #100# when the concentration of #A# is multiplied by #10#, what is the order of the reaction?
  
• How many half-filled orbitals are in water?
  
• How do you integrate #int cos^2(x) tan^3(x) dx#?
  
• If somehow, #"50.0 mL"# of a stock solution of #"120. M"# #"HCl"# is available, what volume of water should the appropriate amount of #"HCl"# be added to, in order to reduce its concentration to #"4.00 M"#?
  
• How do you find the Maclaurin Series for #f(x)= x / (1-x^4)#?
  
• Explain the mixture separation techniques?
  
• Is methanol a polar molecule?
  
• Question #97a5e
  
• For an atom that becomes an ion, does it have a formal charge, or net charge? What is the difference between formal charge, oxidation state, and net charge?
  
• How to obtain phthalic acid from aspirin?
  
• How do you draw propyne?
  
• True or false? Decomposition does not involve the production of a new substance.
  
• Solid iron a specific heat of 0.444 J/g°C. If 75 calories of energy were removed from a piece of iron, and the temperature of the iron went from 21.4°C to -25.2°C, what was the mass of the iron?
  
• Which is the stronger acid, #"HF"# or #"CH"_4#? Why does #"HF"# ionize but #"CH"_4# does not? What is the difference between ionization and dissociation?
  
• How many d orbitals can there be in one energy level?
  
• What is a covalent bond in which electrons are shared equally called?
  
• In a reaction of combustion of #H_2#, when #H_2# concentration is kept constant, the amount of #H_2# reacting increases. Explain the order of the reaction with respect to #H_2# and #O_2#?
  
• How much heat was transferred in this process?
  
• How would you know if a cyclic organic molecule is planar?
  
• In the Gibbs energy equation is "s" the symbol for entropy?
  
• Next