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Synthesis and Decomposition Reactions Worksheet, Exercises of Chemistry

Bastyr UniversityChemistry

Practice questions on synthesis and decomposition reactions

Typology: Exercises

2020/2021

Uploaded on 04/20/2021

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jugnu900 🇺🇸

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SYNTHESIS AND DECOMPOSITION WORKSHEET
NAME_______________________________________ DATE____________________
1) Identify each reaction as synthesis or decomposition and 2) write a balanced chemical
equation for each reaction.
Phosphorous + oxygen à tetraphosphorous decaoxide
Iron(III) hydroxide à iron(III) oxide + water
Ammonia + sulfuric acid à ammonium sulfate
Carbon monoxide + oxygen à carbon dioxide
Potassium + chlorine à potassium chloride
Manganese (II) sulfate heptahydrate à manganese (II) sulfate + water
Sodium nitrate à sodium nitrite + oxygen
Potassium chlorate à potassium chloride + oxygen
2) a- What is the difference between synthesis and decomposition?
b- How can an exothermic synthesis reaction become a decomposition reaction?
c- What traits to synthesis and decomposition share?

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SYNTHESIS AND DECOMPOSITION WORKSHEET

NAME_______________________________________ DATE____________________

  1. Identify each reaction as synthesis or decomposition and 2) write a balanced chemical equation for each reaction. Phosphorous + oxygen à tetraphosphorous decaoxide Iron(III) hydroxide à iron(III) oxide + water Ammonia + sulfuric acid à ammonium sulfate Carbon monoxide + oxygen à carbon dioxide Potassium + chlorine à potassium chloride Manganese (II) sulfate heptahydrate à manganese (II) sulfate + water Sodium nitrate à sodium nitrite + oxygen Potassium chlorate à potassium chloride + oxygen
  2. a- What is the difference between synthesis and decomposition? b- How can an exothermic synthesis reaction become a decomposition reaction? c- What traits to synthesis and decomposition share?