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Requires-

Two Compounds

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Requires-

One compound+element

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Requires-

Two or more reactants

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Requires-

Enzyme

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Requires-

Oxygen+ Hydrocarbon

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Zn + HCl in a single displacement reaction

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Safety precautions: The reaction should be conducted under a fume hood where excess hydrogen gas can be escaped. When the balloon is lit, it should also be in a fire proof safe and controlled environment. Be safe! Reacting Zinc metal with hydrochloric acid (3.0 M) in a single displacement reaction to form hydrogen gas.

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When two compounds react with each other and one

element from each compound replace eachother.

Double- AB+CD→AD+CB

Pb(NO3)2(aq)+2KI(aq)→PbKI(s)+2KNO3 (aq)

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When one compound and element react and the two

elements simply take the place of the other.

Single- A+BC→B+AC

Zn+HCl→ZnCl2+H2

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Almost always include oxygen (anything that

'explodes' or 'combusts' in the regular sense).

AB+C→A+BC

CH4 (g)+2O2(g)→CO2(g)+2H2O(l)

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Reactants begin with larger compounds

and break down into smaller compounds

AB+Enzyme → A+B

CuCO3+heat → CuO+CO2

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Chemical reaction in which two or more

smaller compounds form a larger compound

A+B→AB

4Fe(s)+3O2(g)→2Fe2O3(s)