In an engineering reference book, you find that thedensity of iron is 0.284 lb/in3. What is the density in g/cm3? Can you give me an explanation of density conversions and a couple practice problems? This has me so confused.

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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.