Write a net ionic equation for the reaction that occurs when copper(II) carbonate and excess hydrochloric acid (aq) are combined. (Be sure to specify states such as (aq) or (s). If a box is not needed leave it blank. If no reaction occurs leave all boxes blank and click on "submit". Use H+ for hydronium ion.) + + +
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.

![### Chemical Reactions and Net Ionic Equations
#### Instructions for Writing Net Ionic Equations:
1. **Specify States:**
- Ensure to indicate the physical states of the reactants and products, using (aq) for aqueous and (s) for solid.
2. **Leave Blank if Not Needed:**
- If a box does not require an input, leave it empty.
3. **No Reaction:**
- If no reaction occurs, leave all boxes blank and click on "Submit".
4. **Hydronium Ion:**
- Use H⁺ notation for the hydronium ion.
#### Example Question:
**Write a net ionic equation for the reaction that occurs when excess hydroiodic acid and nickel(II) sulfide are combined.**
Boxes are provided in the image for you to add the chemical formulas of the reactants and the products:
- __[Reactant 1]__ + __[Reactant 2]__
- ⟶ __[Product 1]__ + __[Product 2]__ + __[Product 3]__
Fill in the boxes with the appropriate chemical species, keeping in mind the states of each reactant and product. If the reaction does not occur, all boxes should remain blank.
**Note:** The above information assists you in understanding and solving chemical reaction problems by constructing net ionic equations, especially in the context of mixing hydroiodic acid and nickel(II) sulfide.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4126b89b-6ee3-437f-8fcf-aa0e90855818%2Fce4a53f7-35e9-4fd3-ad72-a3a5903e67ec%2Felhtq2_processed.jpeg&w=3840&q=75)

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