Answers edited by Truong-Son N.

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• What is the limit of #(x-1)(x-2)(x-3)(x-4)(x-5)/(5x-1)^5# as x goes to infinity?
  
• What is the difference between a hydrate and an anhydrate compound?
  
• Question #5c847
  
• What does a catalyst do to a chemical reaction rate and how does it accomplish that?
  
• How many double bond equivalents (degrees of unsaturation) are in 2,2,3,3-tetramethyl-4-octyne?
  
• An archer shoots an arrow at an angle of 30 degrees from a height of 1.4m. If it took 1.6 seconds for the arrow to hit the target, which is 1.4m tall, what was the arrow's initial speed? How far away was the target?
  
• How do you find the 6 trigonometric functions for 600 degrees?
  
• Why are enantiomers optically active?
  
• How do you find the integral of #int (1/(1+x^2) ) dx# from negative infinity to 0?
  
• What's the difference between: undefined, does not exist and infinity?
  
• According to the Heisenberg uncertainty principle if the position of a moving particle is known what other cannot be known?
  
• What are the coupling constants (#J#)?
  
• Why is cyclopropane unstable?
  
• What volume of an aqueous solution with #"pH"# #9# can you use to neutralize an aqueous solution with #"pH"# #2#?
  
• What is the square root of 45?
  
• Why does a catalyst effect the rate of reaction?
  
• Whats the square root of negative 8 times the square root of negative 10?
  
• What is the limit of # sqrt[x^3-4x^2+1] + sqrt[x^2-x] +x# as x goes to infinity?
  
• Question #6d32a
  
• What are some common mistakes students make with synthesis reactions?
  
• How do you find a power series representation for #f(x)=1/(1+x)^3#?
  
• What is 40 times the square root of 6?
  
• What are the inflection points of #f(x) = (x^2)(e^18x)#?
  
• Is there a difference between #d/(dx)[f(x)]# and #(df(x))/(dx)#?
  
• How can I represent enthalpy in a potential energy diagram?
  
• How to sketch graph of f(x)= 1/(x²-4x)?
  
• Is #"HCl"# a strong acid? What about #"HF"#?
  
• How can I identify functional groups?
  
• What is the domain and range for #f(x) = (4-2x) /5#?
  
• What is the overall charge of the Pro-Met-Phe-Ser-Glu-Leu polypeptide at pH #7.2#? I've drawn it, and I think it's #-1#, but I'm not 100% sure.
  
• Question #36647
  
• How does tandem mass spectrometry work?
  
• Why are tertiary alcohols very inactive in acid catalyzed hydro-alkoxy additions?
  
• How do you use the Change of Base Formula and a calculator to evaluate the logarithm #log_2 15#?
  
• How do you find the integral of #(1+x) / (1+x^2)#?
  
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