The volume of an irregularly shaped solid can be determined from the volumeof water it displaces. A graduated cylinder contains 19.9 mL of water. When a small pieceof galena, an ore of lead, is added, it sinks and the volume increases to 24.5 mL. Whatis the volume of the piece of galena in cm³ and in L?
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
The volume of an irregularly shaped solid can be determined from the volumeof water it displaces. A graduated cylinder contains 19.9 mL of water. When a small pieceof galena, an ore of lead, is added, it sinks and the volume increases to 24.5 mL. Whatis the volume of the piece of galena in cm³ and in L?
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