Answers edited by Truong-Son N.

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• What is the enthalpy of vaporization for a compound that has a vapor pressure of #"135 torr"# at #52^@ "C"# and #"24.3 torr"# at #0^@ "C"#?
  
• Explain what is meant by the dual nature of light?
  
• How do you implicitly differentiate #x+xy-2x^3 = 2#?
  
• How does enthalpy change differ from heat flow?
  
• The resistance of a conductor is 5 ohm at 50*c and 6 ohm at 100*c.Its resistance at 0*is??THANK YOU!!
  
• How do you use the law of cosines or law of sines if you are given a=13 m, b=8.5 m, and c=9 m?
  
• How do you differentiate #e^(x^(2)y) = 2x + 2y#?
  
• How to graph a parabola #y=x^2-4x-5#?
  
• How do you find the derivative of #y=(ln x)^3#?
  
• How do you find the derivative of #y= sin(xcosx)#?
  
• How do coefficients affect the rate law?
  
• Question #cbf43
  
• What describes the classes of elements, the column or the row?
  
• How do you solve #sin x + 3 cos x = 3#?
  
• How to use the discriminant to find out what type of solutions the equation has for #-x^2 + 4x – 4 = 0#?
  
• Do "poor" leaving groups form ions of poor stability?
  
• How do you differentiate #5cos (2x)+ tan(3x+4)#?
  
• Is the molarity of a pure substance always lower than the corresponding molality?
  
• How does the melting point of the substances change in a mixture?
  
• Is delta G zero at boiling point?
  
• Question #7142c
  
• What are the derivatives of these functions? #log_4(6x - 4)#, #log_3(x^2/(x-4))#, #xcdot4^(-2x)#, #"arc" cos(4sqrtx)#, #xarctan(4x-6)#
  
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