Suppose you conduct an experiment similar to Experiment 2 in which you measure the mass of three volumes of a different unknown liquid. The results from the experiment are shown in the following table. Calculate the average density of the unknown liquid. Volume of unknown liquid (mL) Mass of unknown liquid (g) average density: First 10 mL liquid addition 10.0 8.970 g/mL Second 10 mL liquid addition 20.0 17.940 Third 10 mL liquid addition 30.0 26.910
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.
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