Heating Homes 2

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Mind Map on Heating Homes 2, created by KMansfield699 on 05/28/2013.
KMansfield699
Mind Map by KMansfield699, updated more than 1 year ago
KMansfield699
Created by KMansfield699 over 11 years ago
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Heating Homes 2
  1. The specific heat capacity of a substance is a measure of how much heat energy it can hold. It is the energy needed to increase the temperature of 1kg of the substance by 1 degree celsius.
    1. Water: 4181
      1. Lead: 128
        1. Oyxgen = 918
        2. Water has a particularly high specific heat capacity. This makes water useful for storing heat energy, and transporting it around the home using central heating pipes.
      2. A substance must absorb heat energy so that it can melt or boil. The temperature of the substance does not change during melting, boiling or freezing, even though energy is still being transferred.
        1. The specific latent heat of a substance is the measure of how much heat energy is needed to melt or boil it.
          1. Water: SLH melting - 334. SLH boiling - 2260
            1. Lead: SLH melting - 22.4. SLH boiling - 855
              1. Oxygen: SLH melting - 13.9. SLH boiling - 213
          2. Specific Latent Cpacity Equation: energy (j) = mass (kg) x specific heat capacity (J/kg/.c) x temperature change (.c)
            1. Specific Latent Heat Equation: energy (j) = mass (kg) x specific latent heat (J/kg)
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