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3 years ago

Which thermodynamic process takes place at a constant temperature so that the internal energy of a system remains unchanged?

Physics

2 answers:

NeX [460]3 years ago

4 0

Answer:

Iso-thermal process

Explanation:

An isothermal process is a thermodynamic process which takes place at constant temperature.

ΔT = 0

Since, temperature is used to indicate the internal energy of a system, a process at constant temperature also means that the internal energy of the system remains constant during a isothermal process. The system is connected to a heat bath and the process is done at a slow pace so that the system continues to make the temperature adjustments with the external heat reservoir.

egoroff_w [7]3 years ago

3 0

Isothermal process is a change of a system, in which the temperature remains constant: ΔT = 0. So, if the thermodynamic process takes place at a constant temperature so that the internal energy of a system remains unchanged than this process is isothermal.
The Joule's second Law states that the internal energy of a fixed amount of an ideal gas depends only on its temperature. So, isothermal processes are of great interest for ideal gasses.

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3 years ago

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3 years ago

Can someone help me?

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Car X traveled 3d distance in t time. Car Y traveled 2d distance in t time. Therefore, the speed of car X, is 3d/t, the speed of car Y, is 2d/t. Since speed is the distance taken in a given time.

In figure-2, they are at the same place, we are asked to find car Y's position when car X is at line-A. We can calculate the time car X needs to travel to there. Let's say that car X reaches line-A in t' time.

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Okay, it takes t time for car X to reach line-A. Let's see how far does car Y goes.

$V_y.t = \frac{2d}{t} .t = 2d$

We found that car Y travels 2d distance. So, when car X reaches line-A, car Y is just a d distance behind car X.

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