The redox reaction within the PDMS has also been used to produce gold and silver nanoparticles...
The redox reaction within the PDMS has also been used to produce gold and silver nanoparticles from ionic species, but not nickel or iron nanoparticles from their metal ions. Would you expect PDMS to be used to produce zinc nanoparticles from zinc(II) ions? Why or why not?
Homework Answers
No because zinc can't undergoes redox reaction with PDMS to form zinc nanoparticles
?Its reactivity is higher as compared to silver and gold.It forms Zn (2+) ions.
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The redox reaction within the PDMS has also been used to produce
gold and silver nanoparticles...
Problem 1. Silver Nanoparticle Fate and Toxicity Several recent efforts to understand the potential risks of...
Problem 1. Silver Nanoparticle Fate and Toxicity Several recent efforts to understand the potential risks of nanotechnology have focused on silver- containing nanoparticles, which are being used in consumer products to inactivate bacteria. In this problem, you will assess the aquatic toxicity of commercial silver nanoparticles. For simplicity, you can ignore ionic strength in this problem. You are given two water samples A and B. You put in each water sample 1 g/L of silver nanoparticles and allow the systems...
Reaction 14: Aqueous iron(II) chloride + aqueous ammonium hydroxide Balanced Molecular Equation (from page 8): Complete...
Reaction 14: Aqueous iron(II) chloride + aqueous ammonium hydroxide Balanced Molecular Equation (from page 8): Complete lonic Equation: Net Ionic Equation: 2. Predict the products for the followine single and double displacement reactions, and wing single and double displacement reactions, and write balanced molecular squations including physical states) for each of them. If you predict that no reaction will occur, w na reaction will occur, write "NR", " followed by a brief explanation. a. Aluminum metal + aqueous silver acetate...
Gold and Silver Enterprises, Inc. (GSE), makes gold, silver, and bronze medals used to recognize outstanding...
Gold and Silver Enterprises, Inc. (GSE), makes gold, silver, and bronze medals used to recognize outstanding athletic performance in regional and national sporting events. The per-unit direct costs of producing the medals follow. Gold Silver Bronze Direct $300 $200 $100 materials Labor 120 120 During 2016 GSE made 1.200 units of each type of medal for a total of 3,600 2,200 x 3) medals. All medals are created through the same production process, and they are packaged and shipped in...
i think i understand how to get the molecular equation and also the net ionic equation...
i
think i understand how to get the molecular equation and also the
net ionic equation maybe, but i dont know how to get the total
ionic equation. thanks so much!
total for each single replacement reaction that did occur. If the metal was not oxidized, indicate that by a molecular equation like Equation (7) in the DISCUSSION section and skip writing the ionic equations 1. Magnesium mactal: zinc sulfate solution (a) Molecular equation: (b) Total ionic equation: (c) Net...
please solve all parts 1. Zinc has been heavily used in the metal finishing industry and...
please solve all parts
1. Zinc has been heavily used in the metal finishing industry and the typical wastewater from this industry contains Zn". When this untreated wastewater is discharged to the nature, zinc can be precipitate out with water as zinc hydroxide due to its low solubility product constant. Providing the value of solubility product constant of zinc (II) hydroxide as 3.0x10-16 (a) Write a chemical equation to represent the dissolution of zinc (II) hydroxide (2 point) (b) Determine...
You have been given a sample rock (1.001 kilograms) that has Silver Carbonate throughout. The rock...
You have been given a sample rock (1.001 kilograms) that has Silver Carbonate throughout. The rock also has some inert material mixed in that will not affect your analysis. You decide that you want to retrieve the Silver (Ag) from the rock, so that is what we will do. 1) To make the Silver soluble, you need to dissolve it. To do this, you choose to use Nitric Acid. a. Write the balanced equation for the reaction of Silver Carbonate...
The redox reaction of peroxydisulfate with iodide has been used for many years as part of...
The redox reaction of peroxydisulfate with iodide has been used for many years as part of the iodine clock reaction which introduces students to kinetics. If E° cell = 1.587 V and E° iodine = 0.536 V, what is E° peroxydisulfate S2O82-(aq) + 2H+ + 2I-(aq) → 2HSO4-(aq) + I2(aq) -1.051 V -2.123 V 1.051 V 2.123 V
1. In the introduction the crossed-adol condensation reaction to produce dibenzalacetone is discussed. This reaction require...
1. In the introduction the crossed-adol condensation reaction to
produce dibenzalacetone is discussed. This reaction require 1
equivalent of acetone for every 2 equivalents of benzaldehyde to
produce the desired product. What side product would you expect if
not enough acetone was used?
2. What reagents and in what equivalent would you use to synthesize
benzalacetophenone?
3. How would you synthesize 2-ethylhex-2-en-1-ol from
butanal?
4. Draw the resonance structure for the following enolate
ions:
1. In the introduction the crossed-adol...
Chemical Reactions For each reaction you observed, the names of the reactants and products are given...
Chemical Reactions For each reaction you observed, the names of the reactants and products are given below. You must: 1. Write the correct formula for each reactant and product. Balance each equation. 2. A. Combination reactions magnesium oxide 1. Magnesium + oxygen (unbalanced) Mg+ O, MgO sulfur dioxide 2. Sulfur + oxygen B. Analysis of the Copper Content of a Penny po zinc chloride + hydrogen zinc + hydrochloric acid HCI ZnCl, 1. (unbalanced) н, Zn + C. Single Replacement...
When species combine to produce a coordination complex, the equilibrium constant for the reaction is called...
When species combine to produce a coordination complex, the equilibrium constant for the reaction is called is the formation constant, Kf. For example, the iron(II) ion, Fe2+, can combine with the cyanide ion, CN−, to form the complex [Fe(CN)6]4− according to the equation Fe2+(aq)+6CN−(aq)⇌[Fe(CN)6]4−(aq) where Kf=4.21×1045. This reaction is what makes cyanide so toxic to human beings and other animals. The cyanide ion binds to the iron that red blood cells use to carry oxygen around the body, thus interfering...
Problem 1. Silver Nanoparticle Fate and Toxicity Several recent efforts to understand the potential risks of nanotechnology have focused on silver- containing nanoparticles, which are being used in consumer products to inactivate bacteria. In this problem, you will assess the aquatic toxicity of commercial silver nanoparticles. For simplicity, you can ignore ionic strength in this problem. You are given two water samples A and B. You put in each water sample 1 g/L of silver nanoparticles and allow the systems...
Reaction 14: Aqueous iron(II) chloride + aqueous ammonium hydroxide Balanced Molecular Equation (from page 8): Complete lonic Equation: Net Ionic Equation: 2. Predict the products for the followine single and double displacement reactions, and wing single and double displacement reactions, and write balanced molecular squations including physical states) for each of them. If you predict that no reaction will occur, w na reaction will occur, write "NR", " followed by a brief explanation. a. Aluminum metal + aqueous silver acetate...
Gold and Silver Enterprises, Inc. (GSE), makes gold, silver, and bronze medals used to recognize outstanding athletic performance in regional and national sporting events. The per-unit direct costs of producing the medals follow. Gold Silver Bronze Direct $300 $200 $100 materials Labor 120 120 During 2016 GSE made 1.200 units of each type of medal for a total of 3,600 2,200 x 3) medals. All medals are created through the same production process, and they are packaged and shipped in...
i
think i understand how to get the molecular equation and also the
net ionic equation maybe, but i dont know how to get the total
ionic equation. thanks so much!
total for each single replacement reaction that did occur. If the metal was not oxidized, indicate that by a molecular equation like Equation (7) in the DISCUSSION section and skip writing the ionic equations 1. Magnesium mactal: zinc sulfate solution (a) Molecular equation: (b) Total ionic equation: (c) Net...
please solve all parts
1. Zinc has been heavily used in the metal finishing industry and the typical wastewater from this industry contains Zn". When this untreated wastewater is discharged to the nature, zinc can be precipitate out with water as zinc hydroxide due to its low solubility product constant. Providing the value of solubility product constant of zinc (II) hydroxide as 3.0x10-16 (a) Write a chemical equation to represent the dissolution of zinc (II) hydroxide (2 point) (b) Determine...
1. In the introduction the crossed-adol condensation reaction to
produce dibenzalacetone is discussed. This reaction require 1
equivalent of acetone for every 2 equivalents of benzaldehyde to
produce the desired product. What side product would you expect if
not enough acetone was used?
2. What reagents and in what equivalent would you use to synthesize
benzalacetophenone?
3. How would you synthesize 2-ethylhex-2-en-1-ol from
butanal?
4. Draw the resonance structure for the following enolate
ions:
1. In the introduction the crossed-adol...
Chemical Reactions For each reaction you observed, the names of the reactants and products are given below. You must: 1. Write the correct formula for each reactant and product. Balance each equation. 2. A. Combination reactions magnesium oxide 1. Magnesium + oxygen (unbalanced) Mg+ O, MgO sulfur dioxide 2. Sulfur + oxygen B. Analysis of the Copper Content of a Penny po zinc chloride + hydrogen zinc + hydrochloric acid HCI ZnCl, 1. (unbalanced) н, Zn + C. Single Replacement...
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