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First law of thermodynamics is the gener...

First law of thermodynamics is the general law of conservation of energy as applied to heat energy. According to this law, whenever heat is added to a system, it transforms to an equal amount of some other forms of energy. If `dQ=` a small amount of heat supplied to the system, `dW=` small amount of work done by the system and `dU=` small change in internal energy of the system, then `dQ=dU+dW`.
Read the above passage and answer the following questions:
(i) The amount of heat obsorbed by a gas is `10 cals` and work done on the gas in `58J`. Calculate increase in internal energy of the gas.
(ii) What values of life do you learn fron this law?

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