A theoms flask contains coffee. It is vigorously sheken, considering the coffee as the system. (a) Does its temperature rise ? (b) Has heat been added to it ? (c ) Has work been done on it ?

A theoms flask contains coffee. It is vigorously sheken, considering t

1.	A theoms flask contains coffee. It is vigorously sheken, considering the coffee as the system. (a) Does its temperature rise ? (b) Has heat been added to it ? (c ) Has work been done on it ?
Answer» a. Yes, the temperature of the coffee increases. b. No, heat has not been added to the coffee as it is thermally insulated. c. Yes, wor is done on it by the man who shakes the flask.

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A theoms flask contains coffee. It is vigorously sheken, considering the coffee as the system. (a) Does its temperature rise ? (b) Has heat been added to it ? (c ) Has work been done on it ?

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