Answers created by purpleskying

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• If the redox reaction in an electrochemical cell occurs naturally and produces electrical energy, what type of cell is it?
  
• How do redox reactions interconvert electrical energy and chemic energy?
  
• What part of the atom is actually visible under the microscope?
  
• How do you find the equation of the tangent line to the graph of #f(x)=x+4/x# at point (4,5)?
  
• How do you find the slope of the line parallel to and perpendicular to #y=-2/3x+15#?
  
• How do you factor #2b^3+3b^2-8b-12# by grouping?
  
• Why do the roots of plants usually look white, rather than green?
  
• How do you solve #sqrt(2x+1)+sqrt(2x+6)=5#?