A student obtained a clean flask. She weighed the flask and stopper on an analytical balance and found the total mass to be 34.232g. She then filled the flask with water and found the new mass to be 60.167g. The temperature of the water to be 21degree Celsius. Use this data to find the internal volume of the stoppered flask. 1 what is the mass of the water in the flask? 2 what is the volume of water?

Q: give chemical examples of The law of Conservation of Energy and Hess's Law

A: The explanation is given below-

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