Questions asked by Kha L.

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• Why do some chemistry questions say "assume there is excess [x]"?
  
• Which of the following gases has the highest average speed at 400K?
  
• What reagent could NOT be used to separate `OH^-` from `Cl^-` when added to an aqueous solution containing both?
  
• Does CH3CH2CH2CH2CH2CH3 or (CH3)3CCH2CH3 have stronger intermolecular forces?
  
• How do I solve `int_0^1sin(x)/(sin(x)+sin(1-x))dx`?
  
• There is a square pyramid with its vertex on bottom. Its base is `12` `meters` on each side. Its height is `4` `meters`. It is being filled with water at a rate of `9` `m^3`/`min`. How fast is the depth of the water growing when the depth is `2` `meters`?
  
• Why isn't `dy/dx = 3x + 2y` a linear differential equation?