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1. Can we use specific heat capacity to find the lantent heat? Why? 2. Explain why thermal mass can reduce fluctuation of indoor air temperature.

Question

1. Can we use specific heat capacity to find the latent heat? Why?

2. Explain why thermal mass can reduce fluctuation of indoor air temperature.

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Solution

  1. No, we cannot use specific heat capacity to find latent heat. Specific heat capacity is the amount of heat energy required to raise the temperature of a substance per unit of mass, while latent heat is the heat energy required to change the phase of a substance (like from solid to liquid or liquid to gas) without changing its temperature. These are two different properties of a substance and one cannot be used to find the other.

  2. Thermal mass can reduce the fluctuation of indoor air temperature because it has the ability to absorb and store heat energy. During the day, when the temperature is high, a material with high thermal mass (like concrete or brick) will absorb heat from the environment, preventing the indoor temperature from rising too quickly. At night, when the temperature drops, the stored heat is slowly released back into the environment, preventing the indoor temperature from dropping too quickly. This helps to maintain a more stable and comfortable indoor temperature.

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