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Heat and work are path functions because their values depend on something moving from an initial to a final state.

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What is path function in thermodynamics?

A path function in thermodynamics is a function whose value depends on the path taken to reach a particular state. Examples include work and heat. These functions are not solely determined by the initial and final states but also by the process followed.


What is isothermal?

uhnn. cold, hard.and long


Can electricity work without a ground?

A: NO but the potential can exist until a path is found


How do the organs of the body work to perform the organic functions?

Organs in the body work together to perform organic functions by coordinating and communicating with each other through the nervous system and hormones. Each organ has a specific role in maintaining homeostasis and supporting bodily functions such as digestion, circulation, respiration, and excretion. These functions are essential for the body to stay healthy and function properly.


What is point function in thermodynamics?

A path function is one where it the value of the function depends on the path you took from the initial and final state. Work and Heat are path functions. A "point function" is one that only has points as values rather than being continuous. The only point functions in thermodynamics are where the thermodynamic conditions are fully constrained - such as pure component triple points and critical points. At the triple point vapor, liquid, and solid can coexist in equilibrium. That only happens at a single temperature and pressure. Likewise, the critical point only occurs at the critical temperature and pressure. If you have a mixture, you get a continuous function over a composition range rather than a single point. If by "point function" the questioner meant to refer to those functions/properties where the value only depends on the point where you start and the point where you end, the correct name is "state function". In thermodynamics changes in internal energy, enthalpy, Helmoltz energy, and Gibbs free energy depend only on starting and ending conditions and are State Functions.

Related Questions

Why heat and work are path function prove?

Heat and work are path functions because they depend on the specific path taken during a thermodynamic process. The amount of heat transferred or work done can vary depending on the specific conditions and intermediate states encountered during the process. This is in contrast to state functions, such as internal energy and enthalpy, which only depend on the initial and final states of the system and are independent of the path taken. Mathematically, path functions are represented as integrals, reflecting the dependence on the specific path followed.


What are state functions in thermodynamics and how do they differ from path functions?

State functions in thermodynamics are properties that depend only on the current state of a system, such as temperature, pressure, and internal energy. They do not depend on the path taken to reach that state. Path functions, on the other hand, depend on the specific path taken to reach a particular state, such as work and heat.


Why work and heat transfer are not property of the system?

irstly from Thermodynamics point of view, we need to call heat as Heat transfer. Both Heat and work transfer are energies in transit. They come into picture only when a process is taking place. Also the quantity of heat transfer depends on the type of process or path followed. So Heat Transfer is a path function but not a property(which is a point function). 📷 In case of properties, the difference in properties (here P2-P1 or V2- V1)between state 1 and state 2 always remains same irrespective of the path followed. So properties are called Exact Differentials or Point functions. But in case of Heat transfer and Work transfer, the quantity of heat and work transfer between state 1 and state 2 depends on the path followed. Therefore heat and work transfer are not exact differentials,they are Inexact differentials or path functions.


What are some examples of state functions and how do they differ from other types of functions?

State functions are properties that depend only on the current state of a system, such as temperature, pressure, and volume. They do not depend on the path taken to reach that state. In contrast, non-state functions, like work and heat, depend on the process or path taken to reach a particular state.


What is difference between path function and point function in thermodyanaMICS?

Path function: Their magnitudes depend on the path followed during a process as well as the end states. Work (W), heat (Q) are path functions.The cyclic integral of a path function is non-zero. work and heat are path functions.Point Function: They depend on the state only, and not on how a system reaches that state. All properties are point functions.The cyclic integral of a point function is zero. properties are point functions, (ie pressure,volume,temperature and entropy).


How heat is a path function?

Heat capacity is NOT a path function. It is a STATE function. It depends on the phase of the material, the temperature and the pressure. Usually heat capacity is known at some particular condition and then a calculation is required to estimate it at the condition of interest. Performing these calculations should always result in the same final value no matter the path you took to get to the value - hence it is a STATE function rather than PATH. Path functions would be things like WORK and HEAT (for which the state function "heat capacity" might be used in the calculations)


What are some examples of state functions and how do they differ from other types of functions in thermodynamics?

State functions in thermodynamics include temperature, pressure, volume, internal energy, enthalpy, entropy, and Gibbs free energy. These functions are properties of a system that depend only on the current state of the system, not on how the system reached that state. This is in contrast to path functions, such as work and heat, which depend on the specific path taken to reach a particular state.


What is path function in thermodynamics?

A path function in thermodynamics is a function whose value depends on the path taken to reach a particular state. Examples include work and heat. These functions are not solely determined by the initial and final states but also by the process followed.


What are state functions in thermodynamics and how do they differ from other types of functions in the context of energy and equilibrium?

State functions in thermodynamics are properties that depend only on the current state of a system, such as temperature, pressure, and internal energy. They do not depend on the path taken to reach that state. In contrast, non-state functions, like work and heat, depend on the process or path taken to reach a particular state. State functions are important in determining the equilibrium and energy of a system, as they provide a snapshot of the system's current state regardless of how it got there.


How is heat capacity a path function?

Well, honey, heat capacity is a path function because it depends on the specific process or path taken to reach a certain state. It's all about how much heat is needed to change the temperature of a substance, and that can vary depending on the route you take. So, in a nutshell, heat capacity doesn't give a damn about the destination, it's all about the journey.


What are similarities of heat and work?

They are both examples of energy, they have the same units and the same physical dimensions, and it's fairly easy to convert either one into the other ... of course losing a little bit each time you do that.


Does heat depend on path?

Not really, if you're referring to heat transfer, then the heat will use the path of least resistance. So the heat doesn't rely on the path as much as it does on the material that the heat must travel through.