Physics, 13.08.2021 14:00 westes0376

Which statement about internal energy is correct? 1. the internal energy of a system can be increased without transfer of energy by heating
2.the internal energy of a system depends only on its temperature
3. when the internal energy of a system is increased it's temperature always rises
4. when two systems have the same internal energy they must be the same temperature

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Which statement about internal energy is correct? 1. the internal energy of a system can be increas...