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First law of thermodynamic\xa0 |
| Answer» The\xa0first law of\xa0thermodynamics\xa0is a version of the law of\xa0conservation of energy which states that the total\xa0energy\xa0of an\xa0isolated system\xa0is constant i.e. energy can be transformed from one form to another but cannot be created or destroyed. The first law is often formulated by stating that the change in the\xa0internal energy\xa0of a\xa0closed system\xa0is equal to the amount of\xa0heat\xa0supplied to the system plus\xa0the amount of\xa0work\xa0done by the system on its surroundings.\xa0 | |