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POGILS 11 and 12, Chemistry in Action Purpose: Over the spring 2024 semester you have, I hope, developed an appreciation of the fact that chemistry and chemical processes affects every aspect of your life. The article associated with these review questions describes a situation in recent American history where knowledge of chemistry, especially redox chemistry, acid-base chemistry and chemical equilibria, were essential to understanding and stopping a developing public health crisis. Oxidation and Reduction: Water pipes have been made from lead since the Roman times. Whilst the health effects of ingesting lead are well known, having lead pipes isn't necessarily a problem if the lead does not enter the water supply. In the following equation, 1. Provide the oxidation states for each of the elements in lead (II) hydroxide (Pb(OH)2). (2 pts) 2. State which element is being oxidised and which element is being reduced. (2 pts) 2 Pb (s) + O2(g) + 2 H₂O (→ 2 Pb(OH)2 (s) pb is reducing and o2 ia oxidizing Balancing Equations: Phosphate ions are added to the water supply to react with lead ions in the pipes and prevent them leaching into the water. In the following, balanced equation, I have not provided the charges of the cation or the anion (highlighted in red). 3. Identify the cation and its charge. (1 pt) ODD MacBook Air 114 44

POGILS 11 and 12, Chemistry in Action Purpose: Over the spring 2024 semester you have, I hope, developed an appreciation of the fact that chemistry and chemical processes affects every aspect of your life. The article associated with these review questions describes a situation in recent American history where knowledge of chemistry, especially redox chemistry, acid-base chemistry and chemical equilibria, were essential to understanding and stopping a developing public health crisis. Oxidation and Reduction: Water pipes have been made from lead since the Roman times. Whilst the health effects of ingesting lead are well known, having lead pipes isn't necessarily a problem if the lead does not enter the water supply. In the following equation, 1. Provide the oxidation states for each of the elements in lead (II) hydroxide (Pb(OH)2). (2 pts) 2. State which element is being oxidised and which element is being reduced. (2 pts) 2 Pb (s) + O2(g) + 2 H₂O (→ 2 Pb(OH)2 (s) pb is reducing and o2 ia oxidizing Balancing Equations: Phosphate ions are added to the water supply to react with lead ions in the pipes and prevent them leaching into the water. In the following, balanced equation, I have not provided the charges of the cation or the anion (highlighted in red). 3. Identify the cation and its charge. (1 pt) ODD MacBook Air 114 44

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 22E: The mass of three different metal electrodes, each from a different galvanic cell, were determined...
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POGILS 11 and 12, Chemistry in Action Purpose: Over the spring 2024 semester you have, I hope, developed an appreciation of the fact that chemistry and chemical processes affects every aspect of your life. The article associated with these review questions describes a situation in recent American history where knowledge of chemistry, especially redox chemistry, acid-base chemistry and chemical equilibria, were essential to understanding and stopping a developing public health crisis. Oxidation and Reduction: Water pipes have been made from lead since the Roman times. Whilst the health effects of ingesting lead are well known, having lead pipes isn't necessarily a problem if the lead does not enter the water supply. In the following equation, 1. Provide the oxidation states for each of the elements in lead (II) hydroxide (Pb(OH)2). (2 pts) 2. State which element is being oxidised and which element is being reduced. (2 pts) 2 Pb (s) + O2(g) + 2 H₂O (→ 2 Pb(OH)2 (s) pb is reducing and o2 ia oxidizing Balancing Equations: Phosphate ions are added to the water supply to react with lead ions in the pipes and prevent them leaching into the water. In the following, balanced equation, I have not provided the charges of the cation or the anion (highlighted in red). 3. Identify the cation and its charge. (1 pt) ODD MacBook Air 114 44
Transcribed Image Text:POGILS 11 and 12, Chemistry in Action Purpose: Over the spring 2024 semester you have, I hope, developed an appreciation of the fact that chemistry and chemical processes affects every aspect of your life. The article associated with these review questions describes a situation in recent American history where knowledge of chemistry, especially redox chemistry, acid-base chemistry and chemical equilibria, were essential to understanding and stopping a developing public health crisis. Oxidation and Reduction: Water pipes have been made from lead since the Roman times. Whilst the health effects of ingesting lead are well known, having lead pipes isn't necessarily a problem if the lead does not enter the water supply. In the following equation, 1. Provide the oxidation states for each of the elements in lead (II) hydroxide (Pb(OH)2). (2 pts) 2. State which element is being oxidised and which element is being reduced. (2 pts) 2 Pb (s) + O2(g) + 2 H₂O (→ 2 Pb(OH)2 (s) pb is reducing and o2 ia oxidizing Balancing Equations: Phosphate ions are added to the water supply to react with lead ions in the pipes and prevent them leaching into the water. In the following, balanced equation, I have not provided the charges of the cation or the anion (highlighted in red). 3. Identify the cation and its charge. (1 pt) ODD MacBook Air 114 44
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