Heat capacity/heat capacitance

Thread starter boracay
Start date Oct 2, 2008
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Capacitance Heat

In summary, heat capacity/heat capacitance is the amount of heat energy required to raise the temperature of a substance by a certain amount. It is typically measured in joules per degree Celsius or calories per degree Celsius and is affected by a substance's mass, chemical composition, and physical state. There is a difference between specific heat capacity and molar heat capacity, with the latter taking into account the number of molecules present. Heat capacity/heat capacitance is important in thermodynamics as it helps us understand material responses to temperature changes and predict behavior under different conditions.

Oct 2, 2008

boracay

1What is the difference between heat capacity and heat capacitance?

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Oct 3, 2008

malawi_glenn

Science Advisor

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No idea.

Sure you don't mean "thermal capacitance"?

Is this a HW question?

Oct 6, 2008

met4t

no relation. heat capacity is in J/kg or J/mol but heat capacitance is not a definition I've come across in Physics.

Related to Heat capacity/heat capacitance

What is heat capacity/heat capacitance?

Heat capacity/heat capacitance refers to the amount of heat energy required to raise the temperature of a substance by a certain amount. It is a measure of a material's ability to store heat.

How is heat capacity/heat capacitance measured?

Heat capacity/heat capacitance is typically measured in units of joules per degree Celsius (J/C°) or calories per degree Celsius (cal/C°). It can be measured experimentally by applying a known amount of heat to a substance and measuring the resulting change in temperature.

What factors affect heat capacity/heat capacitance?

The heat capacity/heat capacitance of a substance is affected by its mass, chemical composition, and physical state. Substances with higher mass and more complex molecular structures tend to have higher heat capacities.

What is the difference between specific heat capacity and molar heat capacity?

Specific heat capacity refers to the amount of heat energy required to raise the temperature of a unit mass of a substance by a certain amount. Molar heat capacity, on the other hand, refers to the amount of heat energy required to raise the temperature of one mole of a substance by a certain amount. Molar heat capacity takes into account the number of molecules present, while specific heat capacity does not.

Why is heat capacity/heat capacitance important in thermodynamics?

Heat capacity/heat capacitance is an important concept in thermodynamics because it helps us understand how materials respond to changes in temperature. It also plays a crucial role in determining the amount of energy needed for processes such as heating and cooling and can help us predict the behavior of substances under different conditions.