Consider the chemical reaction that takes place between aqueous ead(II) nitrate and potassium iodide. a) Complete the balanced molecular chemical equation for the reaction below. no reaction occurs, write NR after the reaction arrow. Pb(NO3)2 (aq) + KI (aq) → p) Write the balanced COMPLETE ionic equation for the reaction. If no precipitation reaction occurs, simply write only NR. c) Write the balanced NET ionic equation for the reaction. If no reaction occurs, simply write only NR.

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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.