Choose ONE of the following solutions which would form a solid precipitate when mixed with aqueous sodium carbonate (Note that not all solutions below will form a precipitate when mixed with sodium carbonate). For the reaction that occurs when the two solutions are mixed, write: A) a balanced molecular equation, B) a complete ionic equation, and C) a net ionic equation. Be sure to indicate which compound is the solid precipitate (s) and include all charges when applicable. You may omit the aqueous (aq) notation from your equations. KBr (aq) Pb(NO3)2 (aq) NH4Cl (aq) FeCl3 (aq)
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.
Choose ONE of the following solutions which would form a solid precipitate when mixed with aqueous sodium carbonate (Note that not all solutions below will form a precipitate when mixed with sodium carbonate).
For the reaction that occurs when the two solutions are mixed, write: A) a balanced molecular equation, B) a complete ionic equation, and C) a net ionic equation. Be sure to indicate which compound is the solid precipitate (s) and include all charges when applicable. You may omit the aqueous (aq) notation from your equations.
KBr (aq)
Pb(NO3)2 (aq)
NH4Cl (aq)
FeCl3 (aq)
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