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Above the valence arrow.

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13y ago
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11y ago

above the reaction arrow

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Q: Where is a catalyst written in an equation?
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A chemical formula written over the arrow in a chemical equation signifies?

A chemical formula written over the arrow in a chemical equation is that of the catalyst used in the reaction.


What is equation including catalyst for the hydration of 1-methylcyclobutene?

The equation, including the catalyst for the hydration of 1-methylcyclobutene is: C5H8 + H2O + HX ---> C5H8OH + H2O.


Write a word equation to describe the decomposition of copper on heating?

CuCO3 ==> CO2 + CuO (heat is the catalyst, written above the arrow)


Write a word equation to describe the decomposition of copper carbonate on heating?

CuCO3 ==> CO2 + CuO (heat is the catalyst, written above the arrow)


What does MnO2 mean in a chemical equation?

It means you have some manganese(IV) oxide. This compound most often shows up in chemical equations as a catalyst. It is most popularly used as a catalyst in the decomposition of hydrogen peroxide (H2O2.) A catalyst speeds up a chemical reaction by lowering the reaction's activation energy. In the equation for a chemical reaction, the catalyst is written in superscript-small symbols above the "yield" arrow.


Why is a catalyst written above the arrow in a chemical equation rather than with the reactants?

The enzyme is written above the arrow of the chemical equation because it is involved in the reaction without being changed by it or used up in the reaction. It is not a reactant or a product.


How is a catalyst represented in a chemical reaction?

You mean in a chemical equation? There it is always written over the arrow. Like so: .........electricity 2H2O------------>H2+O2


What is the chemical equation sulfur trioxide when platinum is used as catalyst?

So²+o²=so³


What does manganese above an arrow in a formula equation mean?

it means that manganese is a catalyst in the reaction.


How do you indicate that a catalyst was used in a reaction?

You write the name over the arrow in the chemical equation.


What do you mean by promoter in chemical equation?

Promoter is a chemical substance used to increase the efficiency of a catalyst used in a chemical reaction, although it may not be a catalyst for the reaction.


What does Mn mean in above the arrow in a formula equation mean?

it means that manganese is a catalyst in the reaction