3. Write balanced equations for the following reactions without looking up the chemical formulas (use what you have learned about naming compounds). Verify your final reactions with your group. Don't forget to include the physical states of each reactant and product. Ammonia, NH3, reacts with fluorine gas to produce dinitrogen tetrafluoride gas and hydrogen fluoride gas (used in the production of aluminium, in uranium processing, and in the frosting of light bulbs). Alka-Seltzer tablets contain aspirin, sodium bicarbonate, and citric acid. When the tablets come into contact with water, the sodium bicarbonate and citric acid (H3C6H5O7) react to form carbon dioxide gas, water and sodium citrate. Hint: the H* and Na* switch places, similar to a double replacement reaction.

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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.