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Why internal energy is extensive?

Updated: 8/9/2023
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10y ago

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Enthalpy is an extensive quantity because an extensive quantity depends on the size of the molecule or the number of moles (how much of the molecule you have). Therefore think of a handful of gunpower vs. a storage room full of gunpower. Which reaction will have more enthalpy change? Yes, the room full of gunpower because there is more gunpowder in the reaction. This is an example of why enthalpy is an extensive quantity. Hope you understand now.

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14y ago
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9y ago

Thermal Energy is an extensive property, while temperature is an intensive property. Extensive properties depend on the amount of matter, such as mass and volume.

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10y ago

Internal energy is an extensive property because it depends on the mass or no. of particles..

e.g. (Heat) .. If we double the heat,, the energy will be changed!

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13y ago

Extensive Property

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Heat.

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Q: Why internal energy is extensive?
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Continue Learning about Physics

What is internal energy of an object?

the energy which absorved in the object is called internal energy


What is internal energy?

Internal energy is defined as energy associated with the random, disordered motion of the molecules.


What is internal energy reserve in humans?

internal energy reserve io humans in the form of carbohydrates is 'glycogen'.


A force of 315N is applied to a crate to displace it 35m across a floor at constant velocity The internal energy increases by 14percent of initial internal energy what was the initial internal energy?

1543.5 is the answer w=F*s = 315*35 =11025 this is the final or total internal energy now use the formula of percentage 14/100=initial internal energy/11025 (14/100)*11025=internal energy i cannot say with surety that this is right


Are temperature and thermal energy the same?

No.Thermal energy refers to the amount of heat energy a mass holds.Temperature refers to how hot a mass is.* They are related but they are not the same. If the temperature of a mass is increased, the thermal energy of that mass will also increase.AnswerThe term, 'thermal energy', is obsolete, having been replaced with the term, 'internal energy'. Internal energy and temperature are linked in the sense that the higher a body's internal energy, the higher its temperature. However, internal energy also depends on the state of a body. For example, water and ice can coexist at zero degrees Celsius, but the water will always have a higher internal energy than the ice at that temperature.These days, 'heat' is defined as energy in transit between a hotter body and a cooler body. It's NOT the same thing as internal energy.

Related questions

Does internal energy of system depends upon volume?

Internal energy is an extensive state function. That means it depends on how much of a substance you have but if you fix the composition, pressure, temperature, volume, and (in the case of a system at a phase equlibrium point, like water at the freezing point) the phase of a system, the specific internal energy will be constant. If you take a closed system and change the volume of it, you will be doing work (or allowing the system to do work) and the internal energy can change - so - yes - internal energy of a system depends upon volume. Also, if you fix the composition, temperature, pressure, and phase of a homogeneous mass but change the volume, you will increase the amount of mass you included in the system, thus changing the total internal energy (because it is, after all, an extensive function).


What is internal energy of an object?

the energy which absorved in the object is called internal energy


What is the internal energy reserve in animal?

What is the internal energy reserve in plants


What is internal energy?

Internal energy is defined as energy associated with the random, disordered motion of the molecules.


What internal energy?

Internal energy is defined as energy associated with the random, disordered motion of the molecules.


What is the transfer thermal or internal energy?

the transfer in internal energy is also called heat


Is energy extensive or intensive property?

intensive


Is internal energy a thermodynamic function?

Yes, internal energy is a thermodynamic function or state function,


What type of energy is converted to energ of motion in an internal combustion engine?

In an internal combustion engine, the provided energy is chemical energy. By means of combustion it is transformed into heat energy. This heat energy is transformed in to motion/kinetic energy in an internal combustion engine.


Is surface tension is extensive property?

No. Unit of surface tension is energy per area. An extensive property divided by an extensive property becomes intensive.


Example of extensive property?

There are many examples of extensive properties. Some are mass, energy content, and volume.


What is internal energy reserve in humans?

internal energy reserve io humans in the form of carbohydrates is 'glycogen'.