Discussion :: Chemical Engineering Thermodynamics
- Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will
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Answer : Option A
Explanation :
As thermos flask is insulated no heat energy added or taken from the system so, by first law of thermodynamics we can write dU=−δW as we work done on the system is negative so, the internal energy will be positive. And therefore there will be a raise in temperature.
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