What are the comparisons and contrast of heat capacity and specific heat capacity?
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Heat capacity and specific heat capacity are both measures of how much heat energy a substance can absorb or release. However, there are some differences between the two.
Heat capacity is a measure of the amount of heat energy required to raise the temperature of an entire object by a certain amount. It is an extensive property, meaning it depends on the amount of substance present. Heat capacity is usually represented by the symbol C and is measured in units of joules per degree Celsius or Kelvin (J/°C or J/K).
On the other hand, specific heat capacity (also known as specific heat) is a measure of the amount of heat energy required to raise the temperature of a unit mass of a substance by a certain amount. It is an intensive property, meaning it does not depend on the amount of substance present. Specific heat capacity is usually represented by the symbol c and is measured in units of joules per gram per degree Celsius or Kelvin (J/g/°C or J/g/K).
To find the heat capacity of a substance, you need to know the mass of the substance and its specific heat capacity. You can then multiply the mass by the specific heat capacity to get the heat capacity.
For example, if you have a substance with a mass of 100 grams and a specific heat capacity of 0.5 J/g/°C, you can calculate the heat capacity by multiplying the mass (100 g) by the specific heat capacity (0.5 J/g/°C). The heat capacity would be 50 J/°C.
In summary, heat capacity is a measure of the amount of heat energy required to change the temperature of an entire object, while specific heat capacity is a measure of the amount of heat energy required to change the temperature of a unit mass of a substance.