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Homework Help: Specific heat capacity of a mixture

  1. Jun 8, 2016 #1
    so for one of my assignments i need to make a calculation which involves the mixture to be made of different types of substance.... the heat capacity for each of the different unknown substances that were given:
    substance 1 = 1250J/kg °C
    substance 2 = 1130J/kg °C
    substance 3= 4100J/kg °C

    i need to find the heat capacity of the mixture of these 3 substances to carry on with the rest of the problem..
    so my question is how do i get the heat capacity for the mixture?? if possible please explain like the concept behind it since i will hav to do a presentation on it and will hav to explain how i got the heat capacity of the mixture
  2. jcsd
  3. Jun 8, 2016 #2
    If it is an "ideal solution," the heat capacity of the mixture is simply a weighted average of the heat capacities of the individual components (weighted in terms of mass fractions).
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