Answers created by Truong-Son N.

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• How do you use the shell method to set up and evaluate the integral that gives the volume of the solid generated by revolving the plane region # y = e^ (-x)#, bounded by: #y = 0#, #x = -1#, #x = 0# rotated about the #x=1#?
  
• How do I prepare a #"3 M"# #"NaOH"# aqueous solution?
  
• How do you draw a molecular orbital diagram for a diatomic molecule?
  
• An equimolar mixture of a weak acid and a strong base has a pH > 7 at the equivalence point. Which of the following describes the reaction that occurs at that equivalence point?
  
• Explain how to obtain an NMR spectrum?
  
• How do you find the volume of the solid generated by revolving the region bounded by #y=2x^2#, #y=0#, #x=2#, revolving on #y=8#?
  
• How do you find the volume of the solid generated by revolving the region bounded by the curves #y = x-2#, the #x#-axis, #x=2#, and #x=4# rotated about the #x=-1#?
  
• How does mass affect angular momentum?
  
• Are all spontaneous reactions exothermic? Are all exothermic reactions spontaneous?
  
• How do you use the shell method to set up and evaluate the integral that gives the volume of the solid generated by revolving the plane region #y=x^(1/2)#, #y=0#, and #x=4# rotated about the x axis?
  
• How are molecular orbitals determined?
  
• How could one argue that centripetal acceleration points inwards?
  
• What do the units of #"V"cdot"s/C"^2# mean?
  
• What are applications of the high heat capacity of water in daily life?
  
• Question #e59b8
  
• How do you find the exact functional value cos (5pi/7) using the cosine sum or difference identity?
  
• How can I report volumes in terms of liters or meters cubed?
  
• What is the electron configuration of salt?
  
• How do I convert between wavelength and frequency and wavenumber?
  
• What mass of #"KCl"# is contained in #"0.125 mols"# of #"KCl"#?
  
• How do you find vertical asymptotes in calculus?
  
• What is the derivative of #y=arctan(secx + tanx)#?
  
• If #"2300.0 g"# of #"Na"(s)# reacts in a sufficient amount of water, what is the theoretical yield of #"H"_2(g)# in grams?
  
• How do you use partial fraction decomposition to decompose the fraction to integrate #(13x) / (6x^2 + 5x - 6)#?
  
• How do you find the second derivative of #sin(x)/(1-cos(x))#?
  
• What do you think causes emission of light of various colors?? How do energy and wavelength relate as factors?
  
• If two people are pulling on the same rope at #"10 N"# of force, what is the tension on the rope?
  
• Does the velocity of light change when it goes into a different medium?
  
• What is the union symbol (#uu#) used for?
  
• Why are minor resonance forms less commonly occuring?
  
• How do I find the complex conjugate of #12/(5i)#?
  
• How do you calculate the derivative of #[int(sqrt(1+(dy/dx)^2)/60 dx)]#?
  
• How do you simplify #(1 + tan^2 x)(cos^2 x)#?
  
• How do I evaluate #int(csc^2x)/(cot^3x) dx#?
  
• How do you use the product Rule to find the derivative of #(2x)(-sinx) + (cosx)(2) - 2(cosx)#?
  
• How does temperature affect SN1 and SN2 reactions?
  
• What is a quantum Hamiltonian?
  
• How do you find the equation of the line tangent to the graph of #y=x^2-2x# at the point (-2,8)?
  
• How do I make an aqueous solution of methanol?
  
• Can two electrons of paired spins be in the same orbital?
  
• When do molecules peak out on making bonds?
  
• What are the similarities and differences between ions and radicals?
  
• Does the rate law change with temperature?
  
• How are acid-base equilibria addressed for polyprotic acids such as #H_2SO_4#, and #H_3PO_4#?
  
• Why does freezing point decrease when you add nonvolatile solute? How does chemical potential change?
  
• What is the complex conjugate of #-6+3i#?
  
• How do you find the amplitude, period, phase shift, and vertical shift for #y = 5 - 3 sin (2theta - pi)#?
  
• Is f(x)=x^2-1 a quadratic function?
  
• How can tan 4x be simplified or sec 2x?
  
• How do you verify #(1-cos2x)/ tanx = sin2x#?
  
• How many zeroes does the function have #.25x^2-7x-12=y-4#?
  
• A 20 N crate starting at rest slides down a rough 5m long raml ,inclined at 25° with the horizontal. 20 j of energt is lost to friction. What will be the speed of the crate at the bottom of the incline?
  
• If one bullet is fired at #30^@# and another at #60^@# with respect to the horizontal, given the appropriate amount of time for them both to travel as far as they can and hit the ground, what are their respective ranges?
  
• How do colligative properties affect freezing point?
  
• How do you find the exact values of cos 22.5 degrees using the half angle formula?
  
• How do you find the exact value of #tan^-1(tan((2pi)/3))#?
  
• How do you simplify #cos^3x + sin^2xcosx#?
  
• How do you simplify #3(tan^2 theta - sec^2 theta)#?
  
• How do you simplify #(1+cos y)/(1+sec y)#?
  
• How do you divide #(v^3+27)/(v+3)#?
  
• How do you graph #y= (x+1)^2 -10 #?
  
• Can entropy be graphed in a phase diagram?
  
• True or false? A successful collision requires that molecules merely have to collide for a reaction to occur.
  
• What is the atomic mass with respect to all known atomic isotopes?
  
• What is the formula for tension??
  
• What is the heat capacity of water?
  
• What is an example of a orbital probability patterns practice problem?
  
• How does atomic mass affect density?
  
• What are orbital probability patterns?
  
• #"1.659 g"# of sample benzoic acid was placed in a bomb calorimeter. The complete combustion raised the temperature of the surrounding water from #27.72^@ "C"# to #34.04^@ "C"#? What is the enthalpy of combustion?
  
• Why does a catalyst effect the rate of reaction?
  
• How do you find the taylor series for #f(x) = cos x # centered at a=pi?
  
• For what #n# does #y = x^n# contain the points #(2,200)# and #(2,2000)#?
  
• How is the Lewis structure of an ion written?
  
• What is the percent by mass of nitrogen atom in ammonium sulfate, #("NH"_4)_2"SO"_4#?
  
• Is there a difference between #lim_(h->0)(f(x+h)-f(x))/h# and #lim_(deltax->0)(f(x+deltax)-f(x))/(deltax)#?
  
• What is the derivative of #e^-x(1-x)#?
  
• What is the integral of #x*sqrt(25+x^2)#?
  
• How do you use the shell method to set up and evaluate the integral that gives the volume of the solid generated by revolving the plane region #x=y^2#, #y=0#, and #y=sqr2# rotated about the x axis?
  
• What alkene should be used to synthesize 3-bromohexane? How can I explain the carbocation process?
  
• What are some examples of a closed shell?
  
• How do you find the arc length of the curve #sqrt(4-x^2)# from [-2,2]?
  
• How do you divide #(x^2/y^3)^4#?
  
• Is function composition associative?
  
• Let # f(x)=ln(0.5x) # and #g(x)=e^(3x)#, how do you find each of the compositions?
  
• How do you use pascals triangle to expand #(2x-3y)^3#?
  
• How do you translate #b^2-3c^3# into a verbal expression?
  
• How do you write a verbal expression for #w-1#?
  
• How do you simplify: the square root of 24x times the square root of 6x?
  
• How do you find the volume of the solid generated by revolving the region bounded by the curves #y=2x^2 -x^3# and y = 0 rotated about the y-axis?
  
• What are some common mistakes students make with Arrhenius acids?
  
• What is an example of an Arrhenius base practice problem?
  
• How do you use the product Rule to find the derivative of #y (x) = (x^2+1)(x^3+1)#?
  
• How do limits work in calculus?
  
• What is the antiderivative of #xsqrtx#?
  
• Does acid-catalyzed alkoxyation have the same mechanism as acid-catalyzed hydration?
  
• What is the difference between crystalline and amorphous solids?
  
• What values of the universal gas constant are often used and when are they used?
  
• Why are bonding orbitals more stable?
  
• What are bonding orbitals?
  
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