.49 kJ/kg-K
Water has a higher heat capacity than steel. This means that water can absorb and store more heat energy without undergoing a significant change in temperature compared to steel. A substance with a higher heat capacity requires more energy to raise its temperature.
Heat capacicity of steel: 460 J/kg.K 0.460 J/g.K
420 JKg-1C-1
490 JKg-1K-1
Steel has a heat capacity of about 0.49 kJ/kg/°C. Solid plastics have a heat capacity of about 1.67 kJ/kg/°C. It thus takes more energy to warm plastic 1 °C than to warm steel 1 °C. As to why steel has a higher heat capacity than plastic... It may be because plastics have more ability to absorb energy into the vibrational modes of the atoms in the long polymer chains than steel does in its fairly fixed crystaline/metal structure.
q( enthalpy of heat in Joules-energy ) = Mass of steel * heat capacity of steel * ( Temperature final - temperature initial )
To calculate the amount of heat needed to raise the temperature of steel by 10 degrees Celsius, you would need to know the specific heat capacity of steel. This value represents how much heat is required to raise the temperature of a given mass of steel by 1 degree Celsius. Once you have this information, you can use the formula Q = mcΔT, where Q is the heat energy, m is the mass of the steel, c is the specific heat capacity, and ΔT is the temperature change.
Aluminum has a lower specific heat capacity than steel, meaning it requires less energy to increase its temperature. This is why aluminum heats up faster than steel when exposed to the same amount of heat. Additionally, aluminum has higher thermal conductivity, which allows it to transfer heat more efficiently.
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The specific heat of aluminum is approximately 0.897 J/g°C and the specific heat of mild steel is approximately 0.450 J/g°C. This means that aluminum requires more energy to raise its temperature than mild steel for a given mass.
A silver spoon will heat up faster than a steel spoon because silver has a higher thermal conductivity than steel, meaning it can transfer heat more efficiently. Additionally, silver has a lower specific heat capacity, allowing it to absorb heat more quickly. As a result, when both spoons are exposed to a heat source, the silver spoon will reach a higher temperature in a shorter amount of time compared to the steel spoon.
specific heat capacity