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What is another term for a solid that forms in an aqueous reaction?

What is another term for a solid that forms in an aqueous reaction?. What is another term for a solid that forms in an aqueous reaction?. Answer : Precipitate. Which of the products in this reaction is a precipitate?. MgCl 2 (aq) + K 2 SO 4 (aq) → MgSO 4 (s) + 2 KCl (aq).

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What is another term for a solid that forms in an aqueous reaction?

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  1. What is another term for a solid that forms in an aqueous reaction?

  2. What is another term for a solid that forms in an aqueous reaction? Answer: Precipitate

  3. Which of the products in this reaction is a precipitate? MgCl2(aq) + K2SO4(aq) → MgSO4(s) + 2 KCl (aq)

  4. Which of the products in this reaction is a precipitate? MgCl2(aq) + K2SO4(aq) → MgSO4(s) + 2 KCl (aq) Answer: MgSO4(s)

  5. What types of reactions are these? • MgO + 2 Na Na2O + Mg • 2 Na + Cl2  2 NaCl • CH4 + 2 O2 CO2 + 2 H2O • MgI2 + 2 NaCl MgCl2 + 2 NaI • CO2  C + O2

  6. What types of reactions are these? • MgO + 2 Na Na2O + Mg • 2 Na + Cl2  2 NaCl • CH4 + 2 O2 CO2 + 2 H2O • MgI2 + 2 NaCl MgCl2 + 2 NaI • CO2  C + O2 • Answer: • Single Replacement B) Synthesis • C) Combustion D) Double Replacement • E) Decomposition

  7. List the two products that can be formed in a combustion reaction?

  8. List the two products that can be formed in a combustion reaction? Answer: CO2 and H2O

  9. Predict the product that will form from this reaction? 2 Na + 2 HCl → ?

  10. Predict the product that will form from this reaction? 2 Na + 2 HCl → ? Answer: 2 NaCl + H2

  11. What coefficient will complete this chemical equation? 2 CaF2 + O2 → 2 CaO + ? F2

  12. What coefficient will complete this chemical equation? 2 CaF2 + O2 → 2 CaO + ? F2 Answer: 2

  13. Give all four coefficients that will complete this equation. __Al + __ H PO → __H + __ AlPO 3 2 4 4

  14. Give all four coefficients that will complete this equation. __Al + __ H PO → __H + __ AlPO 3 2 4 4 Answer: 2,2,3,2

  15. Assign oxidation numbers to the following compound? K2(SO4)

  16. Assign oxidation numbers to the following compound? K2(SO4) Answer: K = +1 S = +6 O = -2

  17. What reactant will be oxidized in this reaction? SiO2 + Ca → CaO + Si

  18. What reactant will be oxidized in this reaction? SiO2 + Ca → CaO + Si Answer: Ca (it gains a positive charge, so it lost electrons)

  19. If lithium (Li) was reduced in this reaction, what was the reducing agent? Zn + Li2O → Li + ZnO

  20. If lithium (Li) was reduced in this reaction, what was the reducing agent? Zn + Li2O → Li + ZnO Answer: Zn

  21. What does “Oil Rig” stand for?

  22. What does “Oil Rig” stand for? Answer: O = Oxidation I = Is L = Loss R = Reduction I = Is G = Gain

  23. What do the following symbols stand for in a chemical reaction? A. (s) B. (g) C. (aq) D. (l)

  24. What do the following symbols stand for in a chemical reaction? A. (s) B. (g) C. (aq) D. (l) • Answer: • Solid • Gas • Aqueous • Liquid

  25. What are the 4 signs that a chemical reaction has happened?

  26. What are the 4 signs that a chemical reaction has happened? Answer: 1. Color change 2. Formation of a gas 3. Formation of a precipitate (solid) 4. Heat/light produced

  27. Matter cannot be ______ or _______.

  28. Matter cannot be ______ or _______. Answer: Created or Destroyed

  29. If 15 grams of H2 reacts with 20 grams of O2 , how many grams of H2O will be in the product? 2 H2 + O2 → 2 H2O

  30. If 15 grams of H2 reacts with 20 grams of O2 , how many grams of H2O will be in the product? 2 H2 + O2 → 2 H2O Answer: 35 grams

  31. Which of the following is most likely an oxidation reduction reaction? • MgO + 2 Na Na2O + Mg • 2 Na + Cl2  2 NaCl • MgI2 + 2 NaCl MgCl2 + 2 NaI • CO2  C + O2

  32. Which of the following is most likely an oxidation reduction reaction? • MgO + 2 Na Na2O + Mg • 2 Na + Cl2  2 NaCl • MgI2 + 2 NaCl MgCl2 + 2 NaI • CO2  C + O2 Answer: A

  33. Which of the following reactions shows this written equation? A) Pb2O + Cl → O2 + Pb2Cl B) PbO + Cl2 → O + PbCl2 C) PbO + Cl2 → O2 + PbCl2 D) PbO2 + Cl2 → O2 + PbCl Lead (II) oxide and chlorine react to produce oxygen and lead (II) chloride.

  34. Which of the following reactions shows this equation written correctly? A) Pb2O + Cl → O2 + Pb2Cl B) PbO + Cl2 → O + PbCl2 C) PbO + Cl2 → O2 + PbCl2 D) PbO2 + Cl2 → O2 + PbCl Lead (II) oxide and chlorine react to produce oxygen and lead (II) chloride. Answer: C

  35. Write the chemical equation based on the word equation. Word Equation: Magnesium bromide reacts with potassium to produce potassium bromide and magnesium.

  36. Write the chemical equation based on the word equation. Word Equation: Magnesium bromide reacts with potassium to produce potassium bromide and magnesium. Answer: MgBr2 + 2 K → 2 KBr + Mg

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