What is the terms for it? We did a lab where we burned food objects, it asked if there were any energy losses in the experiment. I searched google but couldn’t find anything I understood, can someone please help me understand? We used an open flame to burn foods such as nuts, beans, marshmallows..
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I suspect they’re referring to the heat of vaporization of water in the food. It takes a lot of energy to evaporate water. Now, this energy isn’t “lost”, but it does affect how much temperature rise you will observe.
When burning food samples to determine their caloric content, you’d normally carefully dry the food to avoid this effect.
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