Examlex
The units of measurement of U- value and U- factor are the same.
Conservation of Mass
A fundamental principle of classical physics that states mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations.
Chemical Reaction
A process that involves the transformation of one or more substances into one or more different substances through the breaking and forming of chemical bonds.
Open System
A system in which both energy and matter can be exchanged with its surroundings.
Mass
A physical property that reflects the amount of matter contained in an object, often measured in kilograms or grams.
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