![1.) For the following reaction used in class [Cu(HẠO).l: aq) + 4NH(aq) +[Cu(NH)4] ag) + 4H6O7) we know that ammonia is a weak](http://img.homeworklib.com/questions/3b2f2310-dd2a-11eb-ab9e-b11f42d97086.png?x-oss-process=image/resize,w_560)
Homework Answers
Direction of equilibrium can be predicted using Lechatelier's principle which state that any change in factor at equilibrium will shift the equilibrium in that direction where it's effect of change reduces.
a) On adding H3PO4, concentration of H+ increases hence NH3 react with H+ and concentration of NH3 decreases thus equilibrium shift backward (left side).
b) On adding O2, NH3 react with it and concentration of NH3 decreases hence equilibrium shift backward (left side).
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1.) For the following reaction used in class [Cu(HẠO).l: aq) + 4NH(aq) +[Cu(NH)4] ag) + 4H6O7)...
Ammonia, NH, can react with oxygen to form nitrogen gas and water 4 NH, (aq) +30,(g)...
Ammonia, NH, can react with oxygen to form nitrogen gas and water 4 NH, (aq) +30,(g) -2N,(g) + 6 H,0(1) If 3.85 g NH3 reacts with 5.78 g O2 and produces 0.550 L N,, at 295 K and 1.01 bar, which reactant is limiting? NH, (aq) (3)o O Calculate the percent yield of the reaction. percent yield:
The reaction Cu(s) + 2 AgNO_3(aq) rightarrow Cu(NO_3)_2 (aq) + 2Ag(s) is best classified as a(n)...
The reaction Cu(s) + 2 AgNO_3(aq) rightarrow Cu(NO_3)_2 (aq) + 2Ag(s) is best classified as a(n) acid-base neutralization reaction. double replacement reaction. oxidation-reduction reaction. precipitation reaction. What is the concentration of sodium ions in 0.350 M Na_3PO_4 solution? 0.117 M 0.350 M 1.05 M 1.40 M What is the molecular geometry of BrF_4^-? seesaw square planar square pyramidal tetrahedral in the reaction the spectator ions are Ag^+ and NO_3^- Ag^+ and I^- H^+ and I^- H^+ and NO_3^-
2. Consider the following equilibrium represent by the reversible equation below: Cu?"(aq) + 4 NH OH(aq)...
2. Consider the following equilibrium represent by the reversible equation below: Cu?"(aq) + 4 NH OH(aq) = [Cu(NH3)4]?" (aq) + 4 H2O(1) Blue Colorless Navy blue Predict the shift (explain why) and indicate the color of the solution when a. Drops of strong acid is added b. H2S gas is bubbled in the solution. Note: H2S reacts with transition metal cations. c. Water is added to the mixture at equilibrium.
HC(ag) ZnCl2(ag)+ H) Cu)+HCI09) CuCly(ag)+H) Mg(s)+ HCI(aq) MgCl(ag)+ 4. Type of chemical reaction: ingle replocnet Zn...
HC(ag) ZnCl2(ag)+ H) Cu)+HCI09) CuCly(ag)+H) Mg(s)+ HCI(aq) MgCl(ag)+ 4. Type of chemical reaction: ingle replocnet Zn Stingle eglou mid Cu upeoat Strgle Mg D. Reactions of Ionic Compounds D1 Reaction of CaCla and NayPO4 2. Evidence of a Chemical Reaction 1. Appearance of Solutions Reactants cear clear tarnud white and mord deng CaCl2(ag) Na,PO4(ag) Ca3 (PO4)2 6)+. NaCla) CaCl; (ag) +-- . NasPO, (ag)- 3. 4. Type of reaction: D2 Reaction of FeCl and KSCN 2. Evidence of a Chemical...
8 The Following reaction is classified as: 2HCl(aq) + Ba(OH)2(aq) → BaCl(aq) + 2 H20(0) b)...
8 The Following reaction is classified as: 2HCl(aq) + Ba(OH)2(aq) → BaCl(aq) + 2 H20(0) b) precipitation reaction oxidation-reduction reaction d) acid-base neutralization reaction 9. c) single replacement What is the volume of 0.1220 M HNO, solution required to completely neutralize 17.50 ml of 0.1211M NAOH? Reaction is: HNO, (aq) + NaOH(aq) -NaNO, (aq) + H:0 (aq) a) 17.37 ml b) 16.31 ml. c) 15.39 ml. d) 17.84 mL 10. Which one of the following reactions is the reduction reaction?...
0%-1010 kJ/mol,xn eaction 1: 4NH 3(8) +5 0(8)4 NO(8) + 6 H2O0D) Reaction 2: 2 NO...
0%-1010 kJ/mol,xn eaction 1: 4NH 3(8) +5 0(8)4 NO(8) + 6 H2O0D) Reaction 2: 2 NO 2(8) 2 NO(8) + 02(g) Reaction 3: 4 NO 28)+O2(8)+2 H2OD4 HNO3a)AG 10kJ/moln Based on the values of ΔG° for the three reactions represented above, what is the value of for the reaction represented below? 4 NH,(8) +802(8) 4 HNO ,(aq)+4 H,OO) (A) -1040 kJ/mol (B) -1110 kJ/mol, (C) -1250 kJ/mol (D) -1320 kJ/mol an 2 NO(8)N,048)
prelab /postlab all questions please Questions 1. For the reaction at 20°C, NH3(aq) + H+ (aq)...
prelab /postlab all questions please
Questions 1. For the reaction at 20°C, NH3(aq) + H+ (aq) NH4(aq), the equilibrium constant is calculated to be K = to 4.5 x10%. CHAT] A. Write the Equilibrium expression for this reaction. Keq = ỞNH TH] B. From the size of the number for Keq, does the equilibrium lie to the left or to the right? Right 2. If the reaction between iron(III) ion and thiocyanate ion, Fe3+ (aq) + SCN (aq) → FeSCN2+(aq),...
1- Write the equilibrium constant expression for this reaction: NH3(aq)+H+(aq)→NH+4(aq) 2- A chemist prepares a solution...
1- Write the equilibrium constant expression for this
reaction:
NH3(aq)+H+(aq)→NH+4(aq)
2- A chemist prepares a solution of zinc oxalate ZnC2O4
by measuring out 1.6mg of zinc oxalate into a 500.mL volumetric
flask and filling the flask to the mark with water. Calculate the
concentration in mol/L of the chemist's zinc oxalate
solution. Round your answer to 2 significant digits.
3- Wine goes bad soon after opening because the ethanol
CH3CH2OH dissolved in it reacts with oxygen
O2 gas to form water and aqueous...
8 The Following reaction is classified as: 2HCl(aq) + Ba(OH)2(aq) → BaCl(aq) + 2 H2000 a) oxidation-reduction react...
8 The Following reaction is classified as: 2HCl(aq) + Ba(OH)2(aq) → BaCl(aq) + 2 H2000 a) oxidation-reduction reaction b) precipitation reaction c) single replacement d) acid-base neutralization reaction What is the volume of 0.1220 M HINO, solution required to completely neutralize 17.50 ml of 0.1211 M NaOH ? Reaction is: HNO, (aq) + NaOH(aq) - NaNO, (ng) + H. (A) a) 17.37 ml. b) 16.31 ml. c) 15.39 mL d) 17.84 mL 10. Which one of the following reactions is...
EXPERIMENT 8: Synthesis of Aquapentaammine-Cobalt (II) Nitrate, [Co(NH)sH2O1(NO)s Pre-Lab Questions: The complex salt [Cu(NH3)4][SO,1- H,O can...
EXPERIMENT 8: Synthesis of Aquapentaammine-Cobalt (II) Nitrate, [Co(NH)sH2O1(NO)s Pre-Lab Questions: The complex salt [Cu(NH3)4][SO,1- H,O can be prepared by direct combination of its constituents: Cu +4 NH,+SO+ H2O [Cu(NH)JSO. H;O In an aqueous reaction solution contained 1.0 g CuCl, 2H2O, 1.0 mL 14 M NHs, and 1.0 g NazSO, what would be the maximum theoretical vield (in grams) of product? To what percent yield would 0.42 g of product correspond? Your yield of crude product is 1.8 g and you...
Ammonia, NH, can react with oxygen to form nitrogen gas and water 4 NH, (aq) +30,(g) -2N,(g) + 6 H,0(1) If 3.85 g NH3 reacts with 5.78 g O2 and produces 0.550 L N,, at 295 K and 1.01 bar, which reactant is limiting? NH, (aq) (3)o O Calculate the percent yield of the reaction. percent yield:
The reaction Cu(s) + 2 AgNO_3(aq) rightarrow Cu(NO_3)_2 (aq) + 2Ag(s) is best classified as a(n) acid-base neutralization reaction. double replacement reaction. oxidation-reduction reaction. precipitation reaction. What is the concentration of sodium ions in 0.350 M Na_3PO_4 solution? 0.117 M 0.350 M 1.05 M 1.40 M What is the molecular geometry of BrF_4^-? seesaw square planar square pyramidal tetrahedral in the reaction the spectator ions are Ag^+ and NO_3^- Ag^+ and I^- H^+ and I^- H^+ and NO_3^-
2. Consider the following equilibrium represent by the reversible equation below: Cu?"(aq) + 4 NH OH(aq) = [Cu(NH3)4]?" (aq) + 4 H2O(1) Blue Colorless Navy blue Predict the shift (explain why) and indicate the color of the solution when a. Drops of strong acid is added b. H2S gas is bubbled in the solution. Note: H2S reacts with transition metal cations. c. Water is added to the mixture at equilibrium.
HC(ag) ZnCl2(ag)+ H) Cu)+HCI09) CuCly(ag)+H) Mg(s)+ HCI(aq) MgCl(ag)+ 4. Type of chemical reaction: ingle replocnet Zn Stingle eglou mid Cu upeoat Strgle Mg D. Reactions of Ionic Compounds D1 Reaction of CaCla and NayPO4 2. Evidence of a Chemical Reaction 1. Appearance of Solutions Reactants cear clear tarnud white and mord deng CaCl2(ag) Na,PO4(ag) Ca3 (PO4)2 6)+. NaCla) CaCl; (ag) +-- . NasPO, (ag)- 3. 4. Type of reaction: D2 Reaction of FeCl and KSCN 2. Evidence of a Chemical...
8 The Following reaction is classified as: 2HCl(aq) + Ba(OH)2(aq) → BaCl(aq) + 2 H20(0) b) precipitation reaction oxidation-reduction reaction d) acid-base neutralization reaction 9. c) single replacement What is the volume of 0.1220 M HNO, solution required to completely neutralize 17.50 ml of 0.1211M NAOH? Reaction is: HNO, (aq) + NaOH(aq) -NaNO, (aq) + H:0 (aq) a) 17.37 ml b) 16.31 ml. c) 15.39 ml. d) 17.84 mL 10. Which one of the following reactions is the reduction reaction?...
0%-1010 kJ/mol,xn eaction 1: 4NH 3(8) +5 0(8)4 NO(8) + 6 H2O0D) Reaction 2: 2 NO 2(8) 2 NO(8) + 02(g) Reaction 3: 4 NO 28)+O2(8)+2 H2OD4 HNO3a)AG 10kJ/moln Based on the values of ΔG° for the three reactions represented above, what is the value of for the reaction represented below? 4 NH,(8) +802(8) 4 HNO ,(aq)+4 H,OO) (A) -1040 kJ/mol (B) -1110 kJ/mol, (C) -1250 kJ/mol (D) -1320 kJ/mol an 2 NO(8)N,048)
prelab /postlab all questions please
Questions 1. For the reaction at 20°C, NH3(aq) + H+ (aq) NH4(aq), the equilibrium constant is calculated to be K = to 4.5 x10%. CHAT] A. Write the Equilibrium expression for this reaction. Keq = ỞNH TH] B. From the size of the number for Keq, does the equilibrium lie to the left or to the right? Right 2. If the reaction between iron(III) ion and thiocyanate ion, Fe3+ (aq) + SCN (aq) → FeSCN2+(aq),...
1- Write the equilibrium constant expression for this
reaction:
NH3(aq)+H+(aq)→NH+4(aq)
2- A chemist prepares a solution of zinc oxalate ZnC2O4
by measuring out 1.6mg of zinc oxalate into a 500.mL volumetric
flask and filling the flask to the mark with water. Calculate the
concentration in mol/L of the chemist's zinc oxalate
solution. Round your answer to 2 significant digits.
3- Wine goes bad soon after opening because the ethanol
CH3CH2OH dissolved in it reacts with oxygen
O2 gas to form water and aqueous...
8 The Following reaction is classified as: 2HCl(aq) + Ba(OH)2(aq) → BaCl(aq) + 2 H2000 a) oxidation-reduction reaction b) precipitation reaction c) single replacement d) acid-base neutralization reaction What is the volume of 0.1220 M HINO, solution required to completely neutralize 17.50 ml of 0.1211 M NaOH ? Reaction is: HNO, (aq) + NaOH(aq) - NaNO, (ng) + H. (A) a) 17.37 ml. b) 16.31 ml. c) 15.39 mL d) 17.84 mL 10. Which one of the following reactions is...
EXPERIMENT 8: Synthesis of Aquapentaammine-Cobalt (II) Nitrate, [Co(NH)sH2O1(NO)s Pre-Lab Questions: The complex salt [Cu(NH3)4][SO,1- H,O can be prepared by direct combination of its constituents: Cu +4 NH,+SO+ H2O [Cu(NH)JSO. H;O In an aqueous reaction solution contained 1.0 g CuCl, 2H2O, 1.0 mL 14 M NHs, and 1.0 g NazSO, what would be the maximum theoretical vield (in grams) of product? To what percent yield would 0.42 g of product correspond? Your yield of crude product is 1.8 g and you...
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