Type of food: Apple Mass of empty watch glass: 28.6 g Mass of watch glass and undried food: 65.6 g Mass of watch glass and dried food: 46.0 g Time food placed in oven: 2:25 pm   Time food removed from oven: 3:26 pm % ????? ?? ???? =???? ?? ????? ???? (?)/???? ?? ??????? ???? (?)? 100 1.Mass of water in the food ____________________________________________   2. Percent water in the food ______________

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.