Answers edited by Truong-Son N.

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• What is the derivative of #ln y=e^y sinx#?
  
• What is a dextrorotatory compound?
  
• How do you find the arc length of the curve #y = (x^4/8) + (1/4x^2) # from [1, 2]?
  
• What is the law of inertia? How does it apply to static equilibrium?
  
• Is the dividing line between metals and nonmetals where the metalloids lie? What then are the metalloids?
  
• How do you solve the identity #sqrt3 tan(x) + 1 = 0#?
  
• Please let me know about the clear differences b/w Alkaloid and Fatty acid ??
  
• The hypotenuse of the right triangle of a vector diagram for R and XC, is it the impedance?
  
• What is the difference between note and tone of a sound?
  
• How proof this answer is right ? ∫ ((1)/((x^2)(sqrt(1+x^2))dx =
  
• Why is blue light scattered more than red light?
  
• How can I report #""^13"C"# NMR data?
  
• Question #98c93
  
• Question #fb7d1
  
• What is needed for evaporation to occur? Explain in terms of intermolecular forces.
  
• When do you need to balance equations?
  
• What is the structure of #"Si"_3"N"_4#?
  
• What is the molecular equation described by the following? Solid sodium bicarbonate reacts with aqueous acetic acid to produce aqueous sodium acetate, liquid water, and carbon dioxide gas.
  
• How to memorize and understand the mechanism in preparation and reactions of alkene?
  
• How proof this answer is right ? ∫ ((1)/((x^2)(sqrt(1+x^2))dx =
  
• Question #b50ce
  
• Explain how doping works in semiconductors?
  
• What does it mean for an atomic spectrum to be discrete, and how does it relate to energy level spacings?
  
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