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The Symbol + PowerPoint PPT Presentation


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The Symbol +. means you have more than one reactant or product. MnO 2. H 2 O 2(aq) H 2 O (l) + O 2 (g). The Symbol. means the reaction goes in this direction. Think the word “yields”. MnO 2. H 2 O 2(aq) H 2 O (l) + O 2 (g). The Symbol.

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The symbol

The Symbol +

means you have more than one reactant

or product.

MnO2

H2O2(aq) H2O (l)+ O2 (g)


The symbol

The Symbol

means the reaction goes in this direction.

Think the word “yields”

MnO2

H2O2(aq) H2O (l)+ O2 (g)


The symbol

The Symbol

means the reaction goes in both directions.

It is reversible.

H2O(aq) H+(aq)+ OH-(aq)


The symbol

The Symbol

means the reaction goes in this direction.

Think the word “yields”

MnO2

H2O2(aq) H2O (l)+ O2 (g)


The symbol

The Symbols (aq) (l) (g) (s)

means the physical state of the chemicals

in the reaction:

“dissolved in water,”

“liquid”,

“gas”,

“solid”

H2O2(aq) H2O (l)+ O2 (g)


The symbol

The Symbol ∆ or heat

means “heat added to make the reaction

go.”

kernals (s)∆ H2O (g) + popcorn (s)


The symbol

The Symbol

MnO2

means a catalyst is needed to make the

reaction go. (a catalyst is a chemical that

speeds a reaction but is not used up in

the reaction.)

MnO2 is an example of a catalyst

H2O2(aq) H2O (l)+ O2 (g)

MnO2


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