Steel Wool Combustion: A synthesis reaction

Open Ended

Describe the difference in the rate of the chemical reaction between burning steel wool with and without extra oxygen gas .

Labeling

This is one possible model of the reaction between steel wool( iron) and air. Move the terms to the most appropriate spots on the model.

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Rust

Steel Wool

goes to

released heat

Air (oxygen gas)

Labeling

This is one possible molecular model of the reaction between iron and oxygen gas. Move the terms to the most appropriate spots on the model.

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goes to

Products

Reactants

Iron Oxide, Fe₂O₃

0₂ , Oxygen gas

Fe, Iron

Hotspot

​ ​ The Steel combustion reaction is what type of chemical reaction? Press on the circle.

Drag and Drop

​ The ​

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in the ​

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is higher than the potential energy in the reactants. The difference between the energy in the ​

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and reactants is ​ positive (+) for ​

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reactions. (​

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).

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potential energy

products

ΔH

endothermic

Drag and Drop

​ The ​

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in the ​

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is higher than the potential energy in the products. The difference between the energy in the ​

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and reactants is ​ negative (-) for ​

Placeholder

reactions (​

Placeholder

).

Drag these tiles and drop them in the correct blank above

potential energy

products

ΔH

exothermic

reactants

Labeling

On top, label each graph as exothermic or endothermic reaction. On bottom, label as an example steel wool or NH₄Cl + H2O + heat ---> NH₄+ + Cl-.

Drag labels to their correct position on the image

NH₄Cl + H2O + heat ---> NH₄+ + Cl-

Steel Wool Combustion

Exothermic Reaction

Endothermic Reaction