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12. The tarnish of silver objects is a coating of silver sulfide, Ag2S,...
Silverware (dining ware actually made of silver) can tarnish by reacting with H2S to form Ag2S, making it look dirty no...
Silverware (dining ware actually made of silver) can tarnish by reacting with H2S to form Ag2S, making it look dirty no matter the amount of cleaning. In order to remove this tarnish (Ag2S), the silverware can be added to a solution containing baking soda in an aluminum pan, allowing the aluminum to react with the tarnish, as shown in reaction 1. Reaction 1: 2 Al(s) + 3 Ag2S(s) + 6H206(l) --> 6Ag(s) + 2 Al(OH)3(aq) + 3 H2S(g) 1. If...
A student is attempting to reverse the tarnishing (silver sulfide, Ag2S(s), formation) on her silver necklace using a method she found online. She lined a bowl with aluminum foil, added some baking s...
A student is attempting to reverse the tarnishing (silver sulfide, Ag2S(s), formation) on her silver necklace using a method she found online. She lined a bowl with aluminum foil, added some baking soda, a sprinkling of table salt, and finally boiling water. She then placed the tarnished silver object into the water, making sure there was contact between it and the aluminium foil. Amazingly, the silver sulphide tarnish began to disappear, being replaced by discoloration of the Al foil. The...
help with #1 part a and b please Adventurous Take-Home Practice Silverware (dining ware actually made of silver) can...
help with #1 part a and b please
Adventurous Take-Home Practice Silverware (dining ware actually made of silver) can tarnish by reacting with H, S to form Ag, S, making it look dirty no matter the amount of cleaning. In order to remove this tarnish (Ag, S), the silverware can be added to a solution containing baking soda in an aluminum pan, allowing the aluminum to react with the tarnish, as shown in reaction 1. Reaction 1 2 Al +...
p please help me solve reaction of copper metal with aqueous silver nitrate 3. Reaction of...
p
please help me solve
reaction of copper metal with aqueous silver nitrate
3. Reaction of copper metal with aqueous silver nitrate Observations: Reaction Type: Copper darkens once Giver nitrate is adoled almost appears to have a spongy dark films (including states) CO Culs) + 2AGNO3(aq) S CULNO3)2 +2 Ag Oxidation States of atoms in reactants Oxidation states of atoms in products Cu = Ag = Substance Oxidized? - AB Substance Reduced? Oxidizing Agent? Reducing Agent? Number of electrons transferred
could someone please answer and explain the questions please!! #’s 7,8,9,13,14,17,18,19,20 please and thank you What...
could someone please answer and explain the questions please!!
#’s 7,8,9,13,14,17,18,19,20
please and thank you
What is the oxidation number for the underlined manganese (A)1 (B)2 (C)4(D)(E)7 When balancing the below half-reaction in 8. Which of the following is true concerning a 1. vanic cc A) Oxidation occurs at the cathode and is (B) Oxidation occurs at the anode and is where anions move towards 2. acidic sol electrons are added to ution, where anions move towards side of.the.cquation. where...
4.30. Using solubility rules, predict the solubility in water of the following ionic compounds. a. AI(OH) b. CaN...
4.30. Using solubility rules, predict the solubility in water of the following ionic compounds. a. AI(OH) b. CaN C. NH4CI d. KOH 4.32. Using solubility rules, decide whether the following ionic solids are soluble or insoluble in water. If they are soluble, write the chemical equation for dissolving in water and indicate what ions you would expect to be present in solution. (NE SO b. BaCO c. Pb(NOs)2 d. Ca(OH) 4.34. Write net ionic equations for the following molecular equations....
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the...
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) 1) One mole of any substance contains Avogadro's number of particles of that substance. What is the numerical value of Avogadro's number? A) 12.01 23 Avagrans t Male aton 6022 x1o atums B) 6.022 x 1023 C) 6.022 x 10-23 D) 1.661 x10-24 E) 1.00 x10-14 2) What is the mass of 4.00 moles of helium, the gas commonly used to fill...
What is the general class of each test reaction in the introduction? Precipitation? Acid-Base? Oxidation eduction?...
What is the general class of each test reaction in the introduction? Precipitation? Acid-Base? Oxidation eduction? anoina to aizy ona svidstils Reaction Class 1 2 iliw 15 TO15192do art sshommua bns nosgol rond dass 101 12575 gbubnium oY noi de lo enor Som 10 910 w II woy Xd on abian aningstid on naloga uzib 3 OOH 4 5 DHET 6 7 SET adus 00 9 Complex ion formation 10 11 No reaction 12 13 14 Combination 15 16 17...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated sludge operation that adversely affect effluent quality with origins in the engineering, hydraulic and microbiological components of the process. The real "heart" of the activated sludge system is the development and maintenance of a mixed microbial culture (activated sludge) that treats wastewater and which can be managed. One definition of a wastewater treatment plant operator is a "bug farmer", one who controls the aeration...
A student is attempting to reverse the tarnishing (silver sulfide, Ag2S(s), formation) on her silver necklace using a method she found online. She lined a bowl with aluminum foil, added some baking soda, a sprinkling of table salt, and finally boiling water. She then placed the tarnished silver object into the water, making sure there was contact between it and the aluminium foil. Amazingly, the silver sulphide tarnish began to disappear, being replaced by discoloration of the Al foil. The...
help with #1 part a and b please
Adventurous Take-Home Practice Silverware (dining ware actually made of silver) can tarnish by reacting with H, S to form Ag, S, making it look dirty no matter the amount of cleaning. In order to remove this tarnish (Ag, S), the silverware can be added to a solution containing baking soda in an aluminum pan, allowing the aluminum to react with the tarnish, as shown in reaction 1. Reaction 1 2 Al +...
p
please help me solve
reaction of copper metal with aqueous silver nitrate
3. Reaction of copper metal with aqueous silver nitrate Observations: Reaction Type: Copper darkens once Giver nitrate is adoled almost appears to have a spongy dark films (including states) CO Culs) + 2AGNO3(aq) S CULNO3)2 +2 Ag Oxidation States of atoms in reactants Oxidation states of atoms in products Cu = Ag = Substance Oxidized? - AB Substance Reduced? Oxidizing Agent? Reducing Agent? Number of electrons transferred
could someone please answer and explain the questions please!!
#’s 7,8,9,13,14,17,18,19,20
please and thank you
What is the oxidation number for the underlined manganese (A)1 (B)2 (C)4(D)(E)7 When balancing the below half-reaction in 8. Which of the following is true concerning a 1. vanic cc A) Oxidation occurs at the cathode and is (B) Oxidation occurs at the anode and is where anions move towards 2. acidic sol electrons are added to ution, where anions move towards side of.the.cquation. where...
4.30. Using solubility rules, predict the solubility in water of the following ionic compounds. a. AI(OH) b. CaN C. NH4CI d. KOH 4.32. Using solubility rules, decide whether the following ionic solids are soluble or insoluble in water. If they are soluble, write the chemical equation for dissolving in water and indicate what ions you would expect to be present in solution. (NE SO b. BaCO c. Pb(NOs)2 d. Ca(OH) 4.34. Write net ionic equations for the following molecular equations....
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) 1) One mole of any substance contains Avogadro's number of particles of that substance. What is the numerical value of Avogadro's number? A) 12.01 23 Avagrans t Male aton 6022 x1o atums B) 6.022 x 1023 C) 6.022 x 10-23 D) 1.661 x10-24 E) 1.00 x10-14 2) What is the mass of 4.00 moles of helium, the gas commonly used to fill...
What is the general class of each test reaction in the introduction? Precipitation? Acid-Base? Oxidation eduction? anoina to aizy ona svidstils Reaction Class 1 2 iliw 15 TO15192do art sshommua bns nosgol rond dass 101 12575 gbubnium oY noi de lo enor Som 10 910 w II woy Xd on abian aningstid on naloga uzib 3 OOH 4 5 DHET 6 7 SET adus 00 9 Complex ion formation 10 11 No reaction 12 13 14 Combination 15 16 17...
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