Question

examples given below underline each of these equations: a. synthesis (combination) reactions 1. na + cl₂ → nacl 2. mg + o₂ → mgo 3. n₂ + h₂ → nh₃ 4. ca + o₂ → cao b. decomposition reactions 5. caco₃ → cao + co₂ 6. 2kclo₃ → 2kcl + o₂ 7. pb(no₃)₂ → pbo + no₂ + o₂ c. single displacement reactions 8. zn + hcl → zncl₂ + h₂ 9. fe + cuso₄ → feso₄ + cu 10. mg + h₂o → mg(oh)₂ + h₂ d. double displacement reactions 11. agno₃ + nacl → agcl + nano₃ 12. bacl₂ + na₂so₄ → baso₄ + nacl 13. cacl₂ + na₂co₃ → caco₃ + nacl

Explanation:

To solve this, we need to underline each chemical equation as per the instructions. Let's go through each section:

A. Synthesis (Combination) Reactions

1. $\underline{\ce{Na + Cl_{2} -> NaCl}}$
2. $\underline{\ce{Mg + O_{2} -> MgO}}$
3. $\underline{\ce{N_{2} + H_{2} -> NH_{3}}}$
4. $\underline{\ce{Ca + O_{2} -> CaO}}$

B. Decomposition Reactions

1. $\underline{\ce{CaCO_{3} -> CaO + CO_{2}}}$
2. $\underline{\ce{2KClO_{3} -> 2KCl + O_{2}}}$
3. $\underline{\ce{Pb(NO_{3})_{2} -> PbO + NO_{2} + O_{2}}}$

C. Single Displacement Reactions

1. $\underline{\ce{Zn + HCl -> ZnCl_{2} + H_{2}}}$
2. $\underline{\ce{Fe + CuSO_{4} -> FeSO_{4} + Cu}}$
3. $\underline{\ce{Mg + H_{2}O -> Mg(OH)_{2} + H_{2}}}$

D. Double Displacement Reactions

1. $\underline{\ce{AgNO_{3} + NaCl -> AgCl + NaNO_{3}}}$
2. $\underline{\ce{BaCl_{2} + Na_{2}SO_{4} -> BaSO_{4} + NaCl}}$
3. $\underline{\ce{CaCl_{2} + Na_{2}CO_{3} -> CaCO_{3} + NaCl}}$

Each equation is underlined to fulfill the task's requirement.

Answer:

To solve this, we need to underline each chemical equation as per the instructions. Let's go through each section:

A. Synthesis (Combination) Reactions

1. $\underline{\ce{Na + Cl_{2} -> NaCl}}$
2. $\underline{\ce{Mg + O_{2} -> MgO}}$
3. $\underline{\ce{N_{2} + H_{2} -> NH_{3}}}$
4. $\underline{\ce{Ca + O_{2} -> CaO}}$

B. Decomposition Reactions

1. $\underline{\ce{CaCO_{3} -> CaO + CO_{2}}}$
2. $\underline{\ce{2KClO_{3} -> 2KCl + O_{2}}}$
3. $\underline{\ce{Pb(NO_{3})_{2} -> PbO + NO_{2} + O_{2}}}$

C. Single Displacement Reactions

1. $\underline{\ce{Zn + HCl -> ZnCl_{2} + H_{2}}}$
2. $\underline{\ce{Fe + CuSO_{4} -> FeSO_{4} + Cu}}$
3. $\underline{\ce{Mg + H_{2}O -> Mg(OH)_{2} + H_{2}}}$

D. Double Displacement Reactions

1. $\underline{\ce{AgNO_{3} + NaCl -> AgCl + NaNO_{3}}}$
2. $\underline{\ce{BaCl_{2} + Na_{2}SO_{4} -> BaSO_{4} + NaCl}}$
3. $\underline{\ce{CaCl_{2} + Na_{2}CO_{3} -> CaCO_{3} + NaCl}}$

Each equation is underlined to fulfill the task's requirement.