Hi. Can you please help me with these .. INTRODUCTION4Lab DataDisplacement ReactionsReactionNaOH(aq) + FeCl3(aq)NaCl(aq) + AgNO3(aq)Na2CO3(aq) + Ni(NO3)2(aq)NaC₂H3O₂(aq) + Pb(NO3)2(aq)isplacement Reactions Involving AcidsObservationsReaction(Before mixing)LABORATORY SIMULATIONObservations(Before mixing)Observations(After mixing)- XClassify Reaction(Select all that apply) ?0 ItemsObservations(After mixing)0 Items0 Items0 ItemsClassify Rea(Select all that

Table is given for the displacement reaction and also observation for before and after reaction and…

INTRODUCTION LABORATORY SIMULATION Lab Data Displacement Reactions Reaction NaOH(aq) + FeCl3(aq) NaCl(aq) + AgNO3(aq) Na₂CO3(aq) + Ni(NO3)2(aq) NaC₂H3O₂ (aq) + Pb(NO3)2(aq) isplacement Reactions Involving Acids Observations Reaction (Before mixing) Observations (Before mixing) Observations (After mixing) Classify Reaction (Select all that apply) 0 Items Observations (After mixing) 0 Items - X 0 Items 0 Items Classify Rea (Select all that

INTRODUCTION LABORATORY SIMULATION Lab Data Displacement Reactions Reaction NaOH(aq) + FeCl3(aq) NaCl(aq) + AgNO3(aq) Na₂CO3(aq) + Ni(NO3)2(aq) NaC₂H3O₂ (aq) + Pb(NO3)2(aq) isplacement Reactions Involving Acids Observations Reaction (Before mixing) Observations (Before mixing) Observations (After mixing) Classify Reaction (Select all that apply) 0 Items Observations (After mixing) 0 Items - X 0 Items 0 Items Classify Rea (Select all that

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter14: Acids And Bases

Section14.5: Ionization Constants Of Acids And Bases

Problem 14.11CE

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Write balanced equations for the following reactions in acid solution. (a) P4 (s) + Cl- (aq) → PH3 (g) + Cl2 (g) (b) MnO4- (aq) + NO2- (aq) → Mn2+ (aq) + NO3- (aq) (c) HBrO3 (aq) + Ni (s) → HBrO2 (aq) + Bi2O3 (s) (d) CrO42- (aq) + SO32- (aq) → Cr3+ (aq) + SO42- (aq)
Q7 chapter 15 titration: multimedia activities Solve Asap
The dissociation of 0.15 M phosphoric acid is given by:H3PO4(aq) + H2O(l) ⇄ H2PO4-(aq) + H3O+(aq)Ka = 7.1 x 10-3 (at 25oC) H2PO4-(aq) + H2O(l) ⇄ HPO42-(aq) + H3O+(aq)Ka = 6.3 x 10-8 (at 25oC) HPO42-(aq) + H2O(l) ⇄ PO43-(aq) + H3O+(aq)Ka = 4.5 x 10-13 (at 25oC)Use the systematic method (Mass-Balance Equations, Charge-Balance Equations, or Proton-Balance Equations) to calculate the pH of the following:a. 0.050 M NaH2PO4b. 0.050 M Na2HPO4c. 0.050 M Na3PO4
The dissociation of 0.15 M phosphoric acid is given by:H3PO4(aq) + H2O(l) ⇄ H2PO4^-(aq) + H3O^+(aq) Ka = 7.1 x 10-3 (at 25°C) H2PO4^-(aq) + H2O(l) ⇄ HPO4^2-(aq) + H3O^+(aq) Ka = 6.3 x 10-8 (at 25°C) HPO4^2-(aq) + H2O(l) ⇄ PO4^3-(aq) + H3O^+(aq) Ka = 6.3 x 10-8 (at 25°C) A. Classify the species, H3PO4, H2PO4-, HPO4^2-, PO4^3-, as acid, base, or ampholyte.B. Applying the systematic method in solving acid-base equilibria problems, calculate the pH of the following:a. 0.050 M H3PO4 b. 0.050 M NaH2PO4 c. 0.050 M Na2HPO4d. 0.050 M Na3PO4
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Atmospheric CO2 levels have risen by nearly 20% over the past 40 years from 315 ppm to 380 ppm. A. Given that the average pH of clean, unpolluted rain today is 5.4, determine the pH of unpolluted rain 40 years ago. Assume that carbonic acid (H2CO3) formed by the reaction of CO2 and water is the only factor influencing pH.CO2(g)+H2O(l)←→H2CO3(aq) Express your answer using one decimal place B. What volume of CO2 at 25 ∘C and 1.0 atm is dissolved in a 23.0-L bucket of today's rainwater? Express your answer using two significant figures.
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The standardization of iodine solution was conducted using 10.0 mL of a standard 1.00 mg/mL ascorbic acid solution. Titration with the iodine solution required 17.50 mL to reach the end point. I2(aq)+C6H8O6(aq)⟶C6H6O6(aq)+2H+(aq)+2I−(aq)I2(aq)+C6H8O6(aq)⟶C6H6O6(aq)+2H+(aq)+2I−(aq) What is the molarity of the iodine solution?
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CoCl42-(aq) + 6H2O(l) >< Co(H2O)62+(aq) + 4Cl-(aq) 1) What was the original color of the cobalt solution? 2) What color did you observe after adding the concentrated HCl solution? 3) What color did you observe after adding the DI water? 4) Assume that the dynamic equilibrium represented in the equation is present in the original solution you placed in the test tube. Based on LeChatelier’s Principle, as stated above, you will interpret your observations in 2, above. a) When hydrochloric acid was added, which reaction (forward or reverse) was favored? What evidence supports this? Why would this reaction be favored? b) Assume that the system rapidly returns to equilibrium. At this new position of equilibrium, is there more or less Co(H2O)62+present after the addition of the acid? Based on this, what happened to the amount of CoCl42-? ANSWER ALLL PARTS!
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