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# What is the specific heat capacity of Styrofoam?

Last updated date: 07th Sep 2024
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Hint: The specific heat of a material is the heat required to increase its temperature by unit degrees per unit mass. It is a constant quantity and is different for different materials. There are different units used for representing the specific heat but its SI unit is derived using joules, degree Celsius and kg.

The specific heat capacity of a material is the heat required to raise its temperature by unit degree per unit mass. It is a constant quantity and is different for different materials. Its SI unit is joules per Kelvin ($J\,k{{g}^{-1}}{{K}^{-1}}$). Therefore,
$c=\dfrac{Q}{m\Delta T}$
Here, $c$ is the specific heat of a material
$m$ is the mass of the material
$\Delta T$ is the change in temperature
Styrofoam is a material that is made of expanded polystyrene foam (EPS). It is generally used to make food containers, coffee cups etc. The specific heat capacity of Styrofoam is calculated experimentally as $0.27cal\,g{{m}^{-1}}\,{}^{o}{{C}^{-1}}$ or $1131\,J\,k{{g}^{-1}}{{K}^{-1}}$.
Therefore, the specific heat of Styrofoam is calculated to be $1131\,J\,k{{g}^{-1}}{{K}^{-1}}$.