Question

1) which of the following is not an irreversible change?

Answer 1

Answer:

please show the changes

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Answer 2

Which of the following is not an irreversible change?

A) Melting of wax

B) Baking biscuits

C) Boiling vegetables

D) Frying food product

Answer:

A) Melting of wax is not an irreversible change.

Explanation:

• In science, an unreversible process is referred to as irreversible.
• Thermodynamics commonly uses this idea. Although a phase transition at the coexistence temperature (such as the melting of ice cubes in water) is closely approximated as reversible, all complex natural processes are irreversible.
• A change in the thermodynamic state of a system and everything around it cannot be precisely returned to its initial state in thermodynamics by tiny adjustments to one of the system's properties without using energy.
• Even after an irreversible process, a system could still be able to change back to its original condition.
• For instance, Joule expansion cannot be reversed since the system is initially non-uniform. The system initially consists of a portion with gas and a portion without gas. Such a non homogeneity is necessary for dissipation to take place. This is exactly the same as having a system with a hot and cold gas section.