what is another term for a solid that forms in an aqueous reaction?
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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?. 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). - PowerPoint PPT PresentationTRANSCRIPT
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?
MgCl2(aq) + K2SO4(aq) → MgSO4(s)
+ 2 KCl (aq)
Which of the products in this reaction is a precipitate?
MgCl2(aq) + K2SO4(aq) → MgSO4(s)
+ 2 KCl (aq)
Answer: MgSO4(s)
What types of reactions are these?
A) MgO + 2 Na Na2O + Mg
B) 2 Na + Cl2 2 NaCl
C) CH4 + 2 O2 CO2 + 2 H2OD) MgI2 + 2 NaCl MgCl2 + 2 NaI
E) CO2 C + O2
What types of reactions are these?
A) MgO + 2 Na Na2O + Mg
B) 2 Na + Cl2 2 NaCl
C) CH4 + 2 O2 CO2 + 2 H2OD) MgI2 + 2 NaCl MgCl2 + 2 NaI
E) CO2 C + O2Answer:A)Single Replacement B) SynthesisC) Combustion D) Double ReplacementE) Decomposition
List the two products that can be formed in a combustion reaction?
List the two products that can be formed in a combustion reaction?
Answer: CO2 and H2O
Predict the product that will form from this reaction?
2 Na + 2 HCl → ?
Predict the product that will form from this reaction?
2 Na + 2 HCl → ?
Answer: 2 NaCl + H2
What coefficient will complete this chemical equation?
2 CaF2 + O2 → 2 CaO + ? F2
What coefficient will complete this chemical equation?
2 CaF2 + O2 → 2 CaO + ? F2
Answer: 2
Give all four coefficients that will complete this equation.
__Al + __ H PO → __H + __ AlPO 3 2 44
Give all four coefficients that will complete this equation.
__Al + __ H PO → __H + __ AlPO 3 2 44
Answer: 2,2,3,2
Assign oxidation numbers to the following compound?
K2(SO4)
Assign oxidation numbers to the following compound?
K2(SO4)
Answer:K = +1S = +6O = -2
What reactant will be oxidized in this reaction?
SiO2 + Ca → CaO + Si
What reactant will be oxidized in this reaction?
SiO2 + Ca → CaO + Si
Answer: Ca (it gains a positive charge, so it lost electrons)
If lithium (Li) was reduced in this reaction, what was the reducing agent?
Zn + Li2O → Li + ZnO
If lithium (Li) was reduced in this reaction, what was the reducing agent?
Zn + Li2O → Li + ZnO
Answer: Zn
What does “Oil Rig” stand for?
What does “Oil Rig” stand for?
Answer:O = OxidationI = IsL = Loss
R = ReductionI = IsG = Gain
What do the following symbols stand for in a chemical reaction?
A. (s)B. (g)C. (aq)D. (l)
What do the following symbols stand for in a chemical reaction?
A. (s)B. (g)C. (aq)D. (l)
Answer:A. SolidB. GasC. AqueousD. Liquid
What are the 4 signs that a chemical reaction has happened?
What are the 4 signs that a chemical reaction has happened?
Answer: 1. Color change2. Formation of a gas3. Formation of a precipitate (solid)4. Heat/light produced
Matter cannot be ______ or _______.
Matter cannot be ______ or _______.
Answer: Created or Destroyed
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
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
Which of the following is most likely an oxidation reduction reaction?
A) MgO + 2 Na Na2O + Mg
B) 2 Na + Cl2 2 NaCl
C) MgI2 + 2 NaCl MgCl2 + 2
NaID) CO2 C + O2
Which of the following is most likely an oxidation reduction reaction?
A) MgO + 2 Na Na2O + Mg
B) 2 Na + Cl2 2 NaCl
C) MgI2 + 2 NaCl MgCl2 + 2
NaID) CO2 C + O2Answer: A
Which of the following reactions shows this written equation?
A) Pb2O + Cl → O2 + Pb2ClB) 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.
Which of the following reactions shows this equation written correctly?
A) Pb2O + Cl → O2 + Pb2ClB) 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
Write the chemical equation based on the word equation.
Word Equation: Magnesium bromide reacts with potassium to produce potassium bromide and magnesium.
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