Homework Answers
a)
White powder : Mgo is formed
Mg(s) + O2 --> MgO(s)
b)
colorless liquid: CUSO4 formed
CuSO4.5H2O ---> CuSO4 + 5H2O
c)Flame extinguishing gas : CO2 gas formation
2NaHCO3 ---> Na2CO3(aq) + CO2 + H2O
d)
Grey solid: Ag metal formed
2Cu +AgNO3 --> Cu(NO3)2 + Ag(s)
e) Colorless gas: H2 gas formed
Mg +2 HCl --> MgCl2 + H2 (g)
f) Orange ppt: HgI2
Hg(NO3)2 +2 KI ---> Hg(I)2 (s) +2 KNO3(aq)
g) Yellow PPt : Ag3(PO4)
3AgNO3 + Na3PO4 ---> Ag3(PO4)(s) + 3NaNO3(aq)
h: white ppt: AlPO4
Al(NO3)3 + Na3PO4 --> 3NaNO3 (aq) + AlPO4(s)
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POSTLABORATORY ASSIGNMENT NAME 1. Identify the chemical formula for each of the following substances. Refer to...
POSTLABORATORY ASSIGNMENT 1. Provide the chemical formula for the substance described in each of the chemical...
POSTLABORATORY ASSIGNMENT 1. Provide the chemical formula for the substance described in each of the chemical reactions. Refer to pages 120-121 for the substance described in each reaction. (a) the white smoke produced from reaction Al (b) the strong odor produced from reaction A.2 (c) the colorless gas produced from reaction B.1 (d) the flame-extinguishing gas from reaction B.2 e) the gray solid produced from reaction C.1 (1) the colorless gas produced from reaction C.2 (g) the white ppt produced...
DATE SECTION DATA TABLE Procedure A. Instructor Demonstration Combination Reactions 2 mg O(s) RECYCLE Chemical Waste...
DATE SECTION DATA TABLE Procedure A. Instructor Demonstration Combination Reactions 2 mg O(s) RECYCLE Chemical Waste 1. Mg + O2 → 2. S+ O₂ & B. Decomposition Reactions GOS 1. CuSO4.5H20 → 2. (a) NaHCO3 le controllo (b) NaHCO3 → C. Single-Replacement Reactions OHC020 1. Cu + AgNO3 → 2. Mg + HCI → ODHE 3. Ca + H2O → D. Double-Replacement Reactions n ost 1. AgNO3 + K2CO3 → 2. Cu(NO3)2 + K2CO3 → 3. Al(NO3)3 + K2CO3 →...
Name CHEMICAL REACTIONS PRE-LAB Identify the type of reaction (combination, decomposition, single or double replacement) represented...
Name CHEMICAL REACTIONS PRE-LAB Identify the type of reaction (combination, decomposition, single or double replacement) represented by the equation below: a. 2A(NO), + 3(NH),CO, ----> A1,(CO), + NH.NO, b. N. + 3H -> 2NH, c. 4 HgO -...> 0 + 2 Hg, d. 2 Na + Pb(NO) ---> Pb + 2 NaNO, 2. Balance the following reactions: a. Mg(C,H,02), + K.CO, - > KC,H,O, + Mgco, b. Na + Cu(PO), -... Na PO, + Cu c. Rb + O -...
1)Give the formula for a reagent that will dissolve Zn(OH)2, but not Ni(OH)2. Include net ionic...
1)Give the formula for a reagent that will dissolve Zn(OH)2, but
not Ni(OH)2. Include net ionic
equations for any reactions that occur.
Here is the refrence attached:
ANALYSIS OF THE ALUMINUM-NICKEL GROUP (GROUP III) Solutions contanang Fe Fe3 A广Cr Co2 NY Mn' Zn2 Ba2 Ca", Mg". Na". K., NH. INH,Cl, excess NH OH Procedure 15 Al(OH), Cr(OH), Co(NH.)63t, Ni(NHk". blue Fe(OH), red Fe(OH)2. green Zn(NHJu". Mn". Ba". Cr". Mg". Na'. K., NH, white green amber colorless [ONH) S] Procedure 15...
Redox Equations Which of the following reactions are redox reactions? Identify the substance oxidized, the substance...
Redox Equations Which of the following reactions are redox reactions? Identify the substance oxidized, the substance reduced, the oxidizing agent, the reducing agent. 1.2 Mg(s) + O2(g) → 2 MgO (s) 2. H SO. (aq) + Al(OH) (aq) → Al(SO.) (aq) + H,O (1) 3. 2 Na (s) + H2O (1) ► 2 NaOH(aq) + H2(g) 4. Cao (s) + CO2(g) → Caco, (s) 5. AgNO, (aq) + NaCl (aq) ► AgCl(s) + NaNO, (aq) Identify the substance oxidized, the...
i only need g, h and I please Classifying Chemical Reactions continued Classifying Chemical Reactions continued...
i
only need g, h and I please
Classifying Chemical Reactions continued Classifying Chemical Reactions continued 3. Write a balanced chemical equation for each reaction and classify the reaction. a. Copper metal heated with oxygen gives solid copper(II)oxide. 4 cu +02 → 2420 (5) combination reachon b. Mixing ammonium nitrate and sodium hydroxide solutions gives aqueous sodium nitrate, ammonia gas, and water. NHL NO2+ NaOH -> Na NO₃(aq) + NH₃ (9)+H₂O (e) double replacement c. Mercury(II) nitrate solution reacts with...
FeCl3(aq) + NaOH(aq) → 16. (2 pts.) What is the oxidation number of sulfur in the...
FeCl3(aq) + NaOH(aq) → 16. (2 pts.) What is the oxidation number of sulfur in the sulfite anion. S01 17. (3 pts. Based on Activity Series, which of the following single replacement reactions is(are) expected to happen? Select all the apply. a) Pb + Zn(C2H302)2 Pb(C,H,O2)2 + Zn c) Mg(NO3)2 + 2 Ag 2 AgNO, + Mg! b) 2 Al + Fe2O3 → Al2O3 + 2 Fe d) Br + 2 KI → 2 KBr + 1; 18. (8 pts.)...
RIMENT 9 NAME SECTION POSTLABORATORY ASSIGNMENT 1. Which anions C . Cr, so42) are confirmed to...
RIMENT 9 NAME SECTION POSTLABORATORY ASSIGNMENT 1. Which anions C . Cr, so42) are confirmed to be present in an unknown solution given the following observations? * The unknown solution in test tube #1 plus AgNO3 gives a yellow precipitate. * The supernate in test tube #1 is poured into test tube #3. The yellow precipitate in test tube #1 partially dissolves in NH40. The supernate in test tube #1 is poured into test tube #2. ·The solution in test...
Balance the following reactions and label the type of reaction. POST-LAB PROBLEMS Balance the following reactions an...
Balance the following reactions and label the type of
reaction.
POST-LAB PROBLEMS Balance the following reactions and label the type of reaction. 1. Reaction Type Balance Chemical Reaction CaCO, CaO Co, a. Fe CuSO,(n Cu b. FeSO, 4 (a) Al O2 AlO, C. Na SO BaC NaCl d. BaSO, + 4() CH CO, H,O е. + 2 (g) HCI NaOH (aq) но, f. NaCl KNO, РЫ, * _Pb(NO) KI (ag) 2 (a) 3 (ag) 2 (ag) K,SO H,O H_SO КОН...
need help with #20 and #48 please add proper charges, balanced equation, and proper subscript (aq,solid,liquid,...
need help with #20 and #48 please add proper charges, balanced
equation, and proper subscript (aq,solid,liquid, or gas)
20. Give the formula for a chemical substance that will yield a precipitate with CoCl2 solution, but not with ZnCl, solution (if excess of substance is required, so state). Include net ionic equations for any reactions that occur. ANALYSIS OF THE ALUMINUM-NICKEL GROUP (GROUP III) Solutions containing Fo?", Fe, Co, Nid", Mn?, Art, Cr". Zn?N, Ba?". Ca, Mg, Na, K [NHACI, excess...
POSTLABORATORY ASSIGNMENT 1. Provide the chemical formula for the substance described in each of the chemical reactions. Refer to pages 120-121 for the substance described in each reaction. (a) the white smoke produced from reaction Al (b) the strong odor produced from reaction A.2 (c) the colorless gas produced from reaction B.1 (d) the flame-extinguishing gas from reaction B.2 e) the gray solid produced from reaction C.1 (1) the colorless gas produced from reaction C.2 (g) the white ppt produced...
DATE SECTION DATA TABLE Procedure A. Instructor Demonstration Combination Reactions 2 mg O(s) RECYCLE Chemical Waste 1. Mg + O2 → 2. S+ O₂ & B. Decomposition Reactions GOS 1. CuSO4.5H20 → 2. (a) NaHCO3 le controllo (b) NaHCO3 → C. Single-Replacement Reactions OHC020 1. Cu + AgNO3 → 2. Mg + HCI → ODHE 3. Ca + H2O → D. Double-Replacement Reactions n ost 1. AgNO3 + K2CO3 → 2. Cu(NO3)2 + K2CO3 → 3. Al(NO3)3 + K2CO3 →...
Name CHEMICAL REACTIONS PRE-LAB Identify the type of reaction (combination, decomposition, single or double replacement) represented by the equation below: a. 2A(NO), + 3(NH),CO, ----> A1,(CO), + NH.NO, b. N. + 3H -> 2NH, c. 4 HgO -...> 0 + 2 Hg, d. 2 Na + Pb(NO) ---> Pb + 2 NaNO, 2. Balance the following reactions: a. Mg(C,H,02), + K.CO, - > KC,H,O, + Mgco, b. Na + Cu(PO), -... Na PO, + Cu c. Rb + O -...
1)Give the formula for a reagent that will dissolve Zn(OH)2, but
not Ni(OH)2. Include net ionic
equations for any reactions that occur.
Here is the refrence attached:
ANALYSIS OF THE ALUMINUM-NICKEL GROUP (GROUP III) Solutions contanang Fe Fe3 A广Cr Co2 NY Mn' Zn2 Ba2 Ca", Mg". Na". K., NH. INH,Cl, excess NH OH Procedure 15 Al(OH), Cr(OH), Co(NH.)63t, Ni(NHk". blue Fe(OH), red Fe(OH)2. green Zn(NHJu". Mn". Ba". Cr". Mg". Na'. K., NH, white green amber colorless [ONH) S] Procedure 15...
Redox Equations Which of the following reactions are redox reactions? Identify the substance oxidized, the substance reduced, the oxidizing agent, the reducing agent. 1.2 Mg(s) + O2(g) → 2 MgO (s) 2. H SO. (aq) + Al(OH) (aq) → Al(SO.) (aq) + H,O (1) 3. 2 Na (s) + H2O (1) ► 2 NaOH(aq) + H2(g) 4. Cao (s) + CO2(g) → Caco, (s) 5. AgNO, (aq) + NaCl (aq) ► AgCl(s) + NaNO, (aq) Identify the substance oxidized, the...
i
only need g, h and I please
Classifying Chemical Reactions continued Classifying Chemical Reactions continued 3. Write a balanced chemical equation for each reaction and classify the reaction. a. Copper metal heated with oxygen gives solid copper(II)oxide. 4 cu +02 → 2420 (5) combination reachon b. Mixing ammonium nitrate and sodium hydroxide solutions gives aqueous sodium nitrate, ammonia gas, and water. NHL NO2+ NaOH -> Na NO₃(aq) + NH₃ (9)+H₂O (e) double replacement c. Mercury(II) nitrate solution reacts with...
FeCl3(aq) + NaOH(aq) → 16. (2 pts.) What is the oxidation number of sulfur in the sulfite anion. S01 17. (3 pts. Based on Activity Series, which of the following single replacement reactions is(are) expected to happen? Select all the apply. a) Pb + Zn(C2H302)2 Pb(C,H,O2)2 + Zn c) Mg(NO3)2 + 2 Ag 2 AgNO, + Mg! b) 2 Al + Fe2O3 → Al2O3 + 2 Fe d) Br + 2 KI → 2 KBr + 1; 18. (8 pts.)...
RIMENT 9 NAME SECTION POSTLABORATORY ASSIGNMENT 1. Which anions C . Cr, so42) are confirmed to be present in an unknown solution given the following observations? * The unknown solution in test tube #1 plus AgNO3 gives a yellow precipitate. * The supernate in test tube #1 is poured into test tube #3. The yellow precipitate in test tube #1 partially dissolves in NH40. The supernate in test tube #1 is poured into test tube #2. ·The solution in test...
Balance the following reactions and label the type of
reaction.
POST-LAB PROBLEMS Balance the following reactions and label the type of reaction. 1. Reaction Type Balance Chemical Reaction CaCO, CaO Co, a. Fe CuSO,(n Cu b. FeSO, 4 (a) Al O2 AlO, C. Na SO BaC NaCl d. BaSO, + 4() CH CO, H,O е. + 2 (g) HCI NaOH (aq) но, f. NaCl KNO, РЫ, * _Pb(NO) KI (ag) 2 (a) 3 (ag) 2 (ag) K,SO H,O H_SO КОН...
need help with #20 and #48 please add proper charges, balanced
equation, and proper subscript (aq,solid,liquid, or gas)
20. Give the formula for a chemical substance that will yield a precipitate with CoCl2 solution, but not with ZnCl, solution (if excess of substance is required, so state). Include net ionic equations for any reactions that occur. ANALYSIS OF THE ALUMINUM-NICKEL GROUP (GROUP III) Solutions containing Fo?", Fe, Co, Nid", Mn?, Art, Cr". Zn?N, Ba?". Ca, Mg, Na, K [NHACI, excess...
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