Aqueous sodium sulfide is mixed with aqueous copper (II) nitrate to produce solid copper (II) sulfide and aqueous sodium nitrate Molecular Equation Complete Ionic Equation Net Ionic Equation
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.
- Aqueous sodium sulfide is mixed with aqueous copper (II) nitrate to produce solid copper (II) sulfide and aqueous sodium nitrate
Molecular Equation
Complete Ionic Equation
Net Ionic Equation
- Aqueous ammonium chloride and aqueous lead (II) nitrate react to form solid lead (II) chloride and aqueous ammonium nitrate.
Molecular Equation
Complete Ionic Equation
Net Ionic Equation
- What is a net ionic equation? What species are shown in such an equation, and which species are not shown?
- Write the Balanced molecular, complete ionic, and net ionic equations for the reaction between nickel (II) chloride and sodium sulfide.
Molecular Equation
Complete Ionic Equation
Net Ionic Equation
- Many plants are poisonous because their stems and leaves contain
oxalic acid H2C2O4 , or sodium oxalate Na2C2O4 ; when ingested these substances cause swelling of the respiratory tract and suffocation. A standard analysis for determining the amount of the oxalate ion, C2O42- , in a sample is to precipitate this species as a calcium oxalate, which is insoluble in water. Write the net ionic equation for the reaction between sodium oxalate and calcium chloride CaCl2 , in aqueous solution.
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