I looked it up and got Precipitation
Heat is change in thermal energy. So, thermal energy is the net potential energy of the system. while, internal energy is the net potential energy + the net kinetic energy of the system.
Chemical equation
<h3>
What is a chemical equation?</h3>
- The reactants and products of a chemical reaction are represented symbolically in a chemical equation by the appropriate chemical formulas.
- A chemical equation that illustrates how Calcium oxide (quicklime) and carbon dioxide are produced during the breakdown of limestone.
CaCo3 → CaO+ CO2 (Decomposition reaction)
- The portion of the chemical equation on the reactant side is to the left of the symbol "→," and the portion on the product side is to the right of the arrow symbol.
<h3>
Decomposition reaction:-</h3>
A chemical reaction that results in the breakdown of one reactant into two or more products is known as a decomposition reaction.
Learn more about Chemical equations here:-
brainly.com/question/5880605
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The fourth (last) one in 2-8-8-2.