This is a combination or synthesis reaction. 2 atoms of K (potassium) combine with a diatomic molecule I2 (iodine) to form two molecules of KI (potassium iodide).
This reaction is a single displacement reaction, also known as a displacement reaction or a replacement reaction. In this type of reaction, one element replaces another in a compound.
This is a chemical reaction known as a single displacement or redox reaction. In this reaction, aluminum (Al) replaces hydrogen (H) in hydrochloric acid (HCl) to form aluminum chloride (AlCl3) and hydrogen gas (H2).
The reaction you provided is a double displacement reaction. In this reaction, calcium carbonate (CaCO3) reacts with sulfuric acid (H2SO4) to produce calcium sulfate (CaSO4), water (H2), and carbon dioxide (CO2).
This chemical equation represents a decomposition reaction, where calcium carbonate (CaHCO3) breaks down into calcium carbonate (CaCO3), water (H2O), and carbon dioxide (CO2) when heat is applied.
The reaction is likely a double displacement reaction, where the metal ions from the metal oxide and the nonmetal ions from the nonmetal oxide switch partners to form new compounds. The ternary salt may also participate in exchanging ions with the other compounds.
This reaction is a single displacement reaction, also known as a displacement reaction or a replacement reaction. In this type of reaction, one element replaces another in a compound.
Acid base reaction
Synthesis
It is a hydration reaction.
It is an eothermic type of reaction.
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single replacment
The reaction represented by 2K + I2 is a combination or synthesis reaction, where potassium (K) and iodine (I2) combine to form potassium iodide (KI).
decomposition
The reaction represented is a single displacement reaction, where potassium (K) displaces iodine (I2) from potassium iodide (KI) to form potassium iodide and elemental iodine.
associative? single replacement
A balanced chemical reaction.