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 energy is unchanged, calculate its change in specificinternal energy if its mass is 5.4 kg. report your answer in kj/kg to one decimal place.

The change in specific internal energy is 3.5 kj.

Explanation:

Step1

Given:

Total change in energy is 15.5 kj.

Change in kinetic energy is –3.5 kj.

Change in potential energy is 0 kj.

Mass is 5.4 kg.

Step2

Calculation:

Change in internal energy is calculated as follows:

kj.

Step3

Specific internal energy is calculated as follows:

kj/kg.

Thus, the change in specific internal energy is 3.5 kj/kg.

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answer:

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explanation:

d. represents both (b) and (c).

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b and c are to complicated.

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