Homework Answers
Add Answer to:
Las Positas College, Chemistry 1A Lab Manual Fall 2017 Page 41 PRE-LAB Name (To be completed...
1. Find all the pairs of ions in the following list which cannot exist together (in...
1. Find all the pairs of ions in the following list which cannot exist together (in appreciable concentration) in the same aqueous solution without precipitating. That is, write any combination of the following ions which would form a precipitate, a weak acid, a weak base, or water. [Note: PbCl2 is slightly soluble.] Fe3+ ht OH Na* ci" Pb2+ NO3 Mg2+ Answer: 2. Convert the following (a) complete or "molecular" equation to (b) the total ionic, and then to (c) the...
Name PRE-LAB QUESTIONS 1. Using your previous general chemistry knowledge, give some guidelines for predicting the...
Name PRE-LAB QUESTIONS 1. Using your previous general chemistry knowledge, give some guidelines for predicting the sign of AH" in terms of breaking and forming bonds. 2. Which two scenarios (one for each) from Table 8-1 are consistent with what we know about the melting and forming of ice as a function of temperature? 3. Write the balanced chemical equation for the reaction of hydrochloric acid with calcium hy- droxide. What are the total ionic and net ionic equations for...
16) Write a balanced net ionic equation for the reaction of H2SO4iag) with Ba(OH)2(g) A) Ba2+(ag)...
16) Write a balanced net ionic equation for the reaction of H2SO4iag) with Ba(OH)2(g) A) Ba2+(ag) + SO42-(a)- BaSO4) B) 2 H+(aq) SO42-(a) Ba2 (ag) +2 OH-(a)-BaSO4(0 2 H20) C) H2SO4(a) + Ba(OH)2(e) - BaSO40) 2 H20() D) H (ag) OH(ag)--H2O) 16) 17) Write a balanced net ionic equation for the reaction of Pb(NO3)2(ag) with Nal(ag). A) Pb2 (ag)+2 NO3-(4g) +2 Na+ (ag) +2 1-(a4)-- Pb2+(ag)+ 2 1-(a4)+ 2 Na (a) +2 NO3-(a) B) Pb2+(ag) 2 NO3-(a) + 2 Na...
Write balanced net ionic equations for ALL reactions involved in the confirmation tests for the following...
Write balanced net ionic equations for ALL reactions involved in the confirmation tests for the following cations: 2. (a) Pb (starting with PbCl2(s) dissolving in hot water followed by the reaction with K;CrO4) +2rc Pb Cr 0 PbC121 2Cro tag (b) Ca (starting with reaction of Ca(OH)2 (s) with dilute HCI, followed by reaction with K C2O4): (c) Mg2 (starting with reaction of Mg(OH)2($) with dilute HCl, followed by NH3 and NaHPO4): (d) Zn2 (starting with a reaction of Zn(OH)...
LAB VII. PRACTICE PROBLEMS - CHAPTER 4 NAME: SECTION: b) How many grams of strontium nitrate,...
LAB VII. PRACTICE PROBLEMS - CHAPTER 4 NAME: SECTION: b) How many grams of strontium nitrate, Sr(NO), are needed to prepare 3.40x10 ml. of a 0.925 M solution? c) To what volume should 50.0mL of a 6.00M HCI stock solution be diluted to obtain a 1.50M HCl solution? How much water should be used? d) A 38.5ml sample of 0.875M AgNO, solution is mixed with 51.0mL sample of 0.744M NaCl solution. The AgCl precipitated has a mass of 2.06g. Calculate...
Name CHEMISTRY 22 Study Assignment 14, Net Ionic Equations For each of the following reactions in...
Name CHEMISTRY 22 Study Assignment 14, Net Ionic Equations For each of the following reactions in aqueous solution, write (a) the molecular equation, (b) the total ionic equation, and (c) the net ionic equation. If products are not given, you should be able to predict the products because it is a common reaction type. Be sure to indicate the state, (aq), (g), or (8), for all neutral species. All ions are assumed to be aqueous. 1. barium hydroxide plus hydrobromic...
please write legible 1. Identify each of the following reactions as a precipitation reaction, an acid-base...
please write legible
1. Identify each of the following reactions as a precipitation reaction, an acid-base reaction, or as a redox reaction + a. Pb(NO3)2 (aq) + 2 HCl(aq) PbCl (s) + 2 HNO, (aq) b. 2 Hxe + O2 + 2 H2O c. HNO, (aq) + KOH(aq) KNO, (aq) + H20 (1) d. Zna + 2HCl(a) - ZnClaraq) + Halle e. Ba?'(aq) + 2 Br(aq) + 2 Na(aq) + SO/"(aq) BaSO. (s) + 2 Na'(aq) + 2 Br" (aq)...
6) All of the following compounds are soluble in water EXCEPT: B) NaCl. C) NH40 A) Paz. D) FeCl3 Eco, 7) If you had...
6) All of the following compounds are soluble in water EXCEPT: B) NaCl. C) NH40 A) Paz. D) FeCl3 Eco, 7) If you had an aqueous mixture that contained As, K, and Pb * cations, how many diff solids could precipitate if a chloride solution was added? y different A) 1 B) 2 C) 3 D) 4 E) no solids will precipitate 8) Considering the following precipitation reaction: Pb(NO3)2(aq) + 2Kl(aq) -- Pbly(s) +2KNO3(aq) Which ion would NOT be present...
When you write the answers, please write the page number for which the question is located....
When you write the answers, please write the page number for
which the question is located. Thank you!
Experiment 8 Name: Double Replacement Reactions Background: Some reactions have the net effect of causing the cation of cach reactant to trade places, forming a compound with the other anion. These reactions are known as double replacement reactions. In the example below (unbalanced equation), the barium and sodium cations switch places so that barium forms a product with sulfate while sodium forms...
mity Laboratory Manual, 2017 Revision Redox Reactions Pre-Lab Date: Name: 1) What distinguishes a redox reaction...
mity Laboratory Manual, 2017 Revision Redox Reactions Pre-Lab Date: Name: 1) What distinguishes a redox reaction from a chem replacement? guishes a redox reaction from a chemical reaction such as a double 2) Consider the following unbalanced net ionic redox equation. vo* + S0,- → v3+ + SO42- (a) Name the oxidizing agent in this reaction. (b) Name the ion that is oxidized in this reaction. (c) Balance this net ionic redox equation in acidic solution.
1. Find all the pairs of ions in the following list which cannot exist together (in appreciable concentration) in the same aqueous solution without precipitating. That is, write any combination of the following ions which would form a precipitate, a weak acid, a weak base, or water. [Note: PbCl2 is slightly soluble.] Fe3+ ht OH Na* ci" Pb2+ NO3 Mg2+ Answer: 2. Convert the following (a) complete or "molecular" equation to (b) the total ionic, and then to (c) the...
Name PRE-LAB QUESTIONS 1. Using your previous general chemistry knowledge, give some guidelines for predicting the sign of AH" in terms of breaking and forming bonds. 2. Which two scenarios (one for each) from Table 8-1 are consistent with what we know about the melting and forming of ice as a function of temperature? 3. Write the balanced chemical equation for the reaction of hydrochloric acid with calcium hy- droxide. What are the total ionic and net ionic equations for...
16) Write a balanced net ionic equation for the reaction of H2SO4iag) with Ba(OH)2(g) A) Ba2+(ag) + SO42-(a)- BaSO4) B) 2 H+(aq) SO42-(a) Ba2 (ag) +2 OH-(a)-BaSO4(0 2 H20) C) H2SO4(a) + Ba(OH)2(e) - BaSO40) 2 H20() D) H (ag) OH(ag)--H2O) 16) 17) Write a balanced net ionic equation for the reaction of Pb(NO3)2(ag) with Nal(ag). A) Pb2 (ag)+2 NO3-(4g) +2 Na+ (ag) +2 1-(a4)-- Pb2+(ag)+ 2 1-(a4)+ 2 Na (a) +2 NO3-(a) B) Pb2+(ag) 2 NO3-(a) + 2 Na...
Write balanced net ionic equations for ALL reactions involved in the confirmation tests for the following cations: 2. (a) Pb (starting with PbCl2(s) dissolving in hot water followed by the reaction with K;CrO4) +2rc Pb Cr 0 PbC121 2Cro tag (b) Ca (starting with reaction of Ca(OH)2 (s) with dilute HCI, followed by reaction with K C2O4): (c) Mg2 (starting with reaction of Mg(OH)2($) with dilute HCl, followed by NH3 and NaHPO4): (d) Zn2 (starting with a reaction of Zn(OH)...
LAB VII. PRACTICE PROBLEMS - CHAPTER 4 NAME: SECTION: b) How many grams of strontium nitrate, Sr(NO), are needed to prepare 3.40x10 ml. of a 0.925 M solution? c) To what volume should 50.0mL of a 6.00M HCI stock solution be diluted to obtain a 1.50M HCl solution? How much water should be used? d) A 38.5ml sample of 0.875M AgNO, solution is mixed with 51.0mL sample of 0.744M NaCl solution. The AgCl precipitated has a mass of 2.06g. Calculate...
Name CHEMISTRY 22 Study Assignment 14, Net Ionic Equations For each of the following reactions in aqueous solution, write (a) the molecular equation, (b) the total ionic equation, and (c) the net ionic equation. If products are not given, you should be able to predict the products because it is a common reaction type. Be sure to indicate the state, (aq), (g), or (8), for all neutral species. All ions are assumed to be aqueous. 1. barium hydroxide plus hydrobromic...
please write legible
1. Identify each of the following reactions as a precipitation reaction, an acid-base reaction, or as a redox reaction + a. Pb(NO3)2 (aq) + 2 HCl(aq) PbCl (s) + 2 HNO, (aq) b. 2 Hxe + O2 + 2 H2O c. HNO, (aq) + KOH(aq) KNO, (aq) + H20 (1) d. Zna + 2HCl(a) - ZnClaraq) + Halle e. Ba?'(aq) + 2 Br(aq) + 2 Na(aq) + SO/"(aq) BaSO. (s) + 2 Na'(aq) + 2 Br" (aq)...
6) All of the following compounds are soluble in water EXCEPT: B) NaCl. C) NH40 A) Paz. D) FeCl3 Eco, 7) If you had an aqueous mixture that contained As, K, and Pb * cations, how many diff solids could precipitate if a chloride solution was added? y different A) 1 B) 2 C) 3 D) 4 E) no solids will precipitate 8) Considering the following precipitation reaction: Pb(NO3)2(aq) + 2Kl(aq) -- Pbly(s) +2KNO3(aq) Which ion would NOT be present...
When you write the answers, please write the page number for
which the question is located. Thank you!
Experiment 8 Name: Double Replacement Reactions Background: Some reactions have the net effect of causing the cation of cach reactant to trade places, forming a compound with the other anion. These reactions are known as double replacement reactions. In the example below (unbalanced equation), the barium and sodium cations switch places so that barium forms a product with sulfate while sodium forms...
mity Laboratory Manual, 2017 Revision Redox Reactions Pre-Lab Date: Name: 1) What distinguishes a redox reaction from a chem replacement? guishes a redox reaction from a chemical reaction such as a double 2) Consider the following unbalanced net ionic redox equation. vo* + S0,- → v3+ + SO42- (a) Name the oxidizing agent in this reaction. (b) Name the ion that is oxidized in this reaction. (c) Balance this net ionic redox equation in acidic solution.
Most questions answered within 3 hours.
-
Use the central limit theorem to find the mean and standard
error of the mean of...
asked 58 seconds ago -
You will be given a file that will contain averages for classes
which are divided into...
asked 8 minutes ago -
A Pew Research Center poll surveyed a random sample 850 voters
and asked them if they...
asked 12 minutes ago -
Design a class named
NumDays, to
store a value that represents a number of hours and...
asked 15 minutes ago -
(R)-2-chloro-(S)-3-bromobutane and
(S)-2-chloro-(S)-3-bromobutane are: A. enantiomers. B.
diastereomers. C. meso compounds. D. the same molecule.
asked 25 minutes ago -
1_ What is the Frank-Starling law of the heart? And why the
heart cannot function on...
asked 30 minutes ago -
The method of tree ring dating gave the following years A.D. for
an archaeological excavation site....
asked 41 minutes ago -
Calculate (in N) the force a mother must exert to hold her 12.0
kg child in...
asked 39 minutes ago -
A new lie-detector test has been devised and must be tested
before it is put into...
asked 55 minutes ago -
Calculate the number of ATP produced from the complete oxidation
of myristic acid.
Determine how many...
asked 56 minutes ago -
2. Suppose the company paid dividend of $26.99. That is,
D0 is $26.99. What is the...
asked 54 minutes ago -
A cellular service provider gives customers a “free” cell phone
if they sign a two-year service...
asked 49 minutes ago