The volume of the gas increases, so the work done on theenvironment is positive.

Question

The volume of the gas increases, so the work done on theenvironment is positive. The work done on the system during thisprocess is W = -404 J. The energy required to performpositive work on the environment must come from the energy of thegas.

Question Which of the following is/are true if no energy is addedas heat during the expansion of an ideal gas? (Select all thatapply.)
1 The pressure need not change.The temperature of the gas need notchange. The pressure cannot remainconstant. The temperature of the gas must changebecause of changes in internal energy. Theexpanding gas does work on the walls of itscontainer. 1 The pressure need not change.The temperature of the gas need notchange. The pressure cannot remainconstant. The temperature of the gas must changebecause of changes in internal energy. Theexpanding gas does work on the walls of itscontainer. 1 The pressure need not change.The temperature of the gas need notchange. The pressure cannot remainconstant. The temperature of the gas must changebecause of changes in internal energy. Theexpanding gas does work on the walls of itscontainer. 1

Explanation / Answer

The pressure cannot remain constant. The expanding gas does work on the walls of itscontainer. and The temperature of the gas must change because of changes ininternal energy.

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