Why the specific heat of solids and liquid does not change?

In summary, the specific heat of solids and liquids remains constant due to their tightly packed molecules, while gases typically have a lower specific heat due to their more spread out molecules. Under extreme conditions, the specific heat of solids and liquids can change, but it remains constant under normal conditions. The specific heat of a substance is dependent on its state of matter and can vary within the same state. It can be determined experimentally by measuring the energy needed to increase its temperature or calculated using its heat capacity.
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Why specific heat of solids and liquids doesn't change with change in temperature?
 
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It does. For example, google:

specific heat of copper as a function of temperature
 
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1. Why does the specific heat of solids and liquids not change?

The specific heat of a substance is a measure of how much energy is needed to raise the temperature of 1 gram of that substance by 1 degree Celsius. For solids and liquids, this value remains constant because the molecules within these substances are tightly packed together and have little room to move. This means that the amount of energy needed to increase their temperature is consistent.

2. How does the specific heat of solids and liquids compare to gases?

The specific heat of gases is typically lower than that of solids and liquids. This is because gas molecules are more spread out and have more freedom to move, so they require less energy to increase their temperature. In contrast, the tightly packed molecules in solids and liquids require more energy to increase their temperature.

3. Can the specific heat of solids and liquids change under certain conditions?

Yes, the specific heat of solids and liquids can change under extreme conditions such as high pressures or temperatures. In these cases, the molecular structure of the substance may change, altering its specific heat. However, under normal conditions, the specific heat of solids and liquids remains constant.

4. Does the specific heat of a substance depend on its state of matter?

Yes, the specific heat of a substance is dependent on its state of matter. As mentioned before, gases typically have a lower specific heat than solids and liquids due to the differences in molecular structure and movement. Additionally, the specific heat of a substance can also vary within the same state of matter depending on factors such as molecular weight and intermolecular forces.

5. How is the specific heat of a substance determined?

The specific heat of a substance can be determined experimentally by measuring the amount of energy needed to increase the temperature of a known mass of the substance by a certain amount. This value can also be calculated using the substance's heat capacity, which is the amount of heat needed to increase the temperature of a given amount of the substance by 1 degree Celsius.

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