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Lyrx [107]
3 years ago
14

In a reversible process both the system and surrondings can be returned to their initial states. a)-True b)-False

Engineering
1 answer:
Nuetrik [128]3 years ago
6 0

Answer:

a)-True

Explanation:

When the direction of a process is reversed through infinitesimal changes to the system. The infinitesimal changes are done by the surroundings. After the process has been reversed the system and surroundings go back to their original state.

The changes take an infinite amount of time so, it is not possible practically.

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If the total energy change of an system during a process is 15.5 kJ, its change in kinetic energy is -3.5 kJ, and its potential
drek231 [11]

Answer:

The change in specific internal energy is 3.5 kj.

Explanation:

Step1

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Total change in energy is 15.5 kj.

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Mass is 5.4 kg.

Step2

Calculation:

Change in internal energy is calculated as follows:

\bigtriangleup E=\bigtriangleup KE+\bigtriangleup PE+\bigtriangleup U15.5=-3.5+0+\bigtriangleup U

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Step3

Specific internal energy is calculated as follows:

\bigtriangleup u=\frac{\bigtriangleup U}{m}

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