170. Identifying Synthesis and Decomposition Reactions: Matching: A Synthesis A Decomposition Equation Neither Reaction Reaction CuCl2 Cu + Cl2 a. → b. 3Hf + 2N2 Hf3N4 → Zn + 2HCl ZnCl2 + H2 c. → d. C3H8 + 5O2 4H2O + 3CO2 → 2NaOH 2Na + O2 + H2 e. → f. Fe + S → CaCl2 + FeSO4 Ca SO4 + FeCl2 g. → h. 4P + 5O2 2P2O5 → i. 3CuCl2 + 2Al 2AlCl3 + 3Cu → j. Ca(OH)2 CaO + H2O → ______ 123. synthesis reaction A) breaks down compounds ______ 124. decomposition reaction B) uses electricity ______ 125. electrolysis and heat C) methods of decomposition ______ 126. electrolysis D) simpler than a compound ______ 127. an element E) builds compounds Short Answer: 128. Does boiling decompose water? ________________ 129. What does boiling do to water? _________________________________________________________ ___________________________________________________________________________________ Activity Series of Metals
170. Identifying Synthesis and Decomposition Reactions: Equation A Synthesis Reaction A Decomposition Reaction Neither a. CuCl2 → Cu + Cl2 b. 3Hf + 2N2 → Hf3N4 c. Zn + 2HCl → ZnCl2 + H2 d. C3H8 + 5O2 → 4H2O + 3CO2 e. 2NaOH → 2Na + O2 + H2 f. Fe + S → g. CaCl2 + FeSO4 → Ca SO4 + FeCl2 h. 4P + 5O2 → 2P2O5 i. 3CuCl2 + 2Al → 2AlCl3 + 3Cu j. Ca(OH)2 → CaO + H2O Matching: ______ 123. synthesis reaction A) breaks down compounds ______ 124. decomposition reaction B) uses electricity ______ 125. electrolysis and heat C) methods of decomposition ______ 126. electrolysis D) simpler than a compound ______ 127. an element E) builds compounds Short Answer: 128. Does boiling decompose water? ________________ 129. What does boiling do to water? _________________________________________________________ ___________________________________________________________________________________ Activity Series of Metals
8%20Equations%20and%20Reactions%20%20Level%205.docx