1. If pipes feeding a water fountain were made of copper with lead solder at the junctions, which metal dissolves more readily? 2. Tarnished silver can be restored by contact with magnesium in a salt solution. In this reaction, the tarnished silver is reduced. What is oxidized?

Q: A sample of steel weighing 0.1798 g was dissolved and the manganese present was converted to MnO4–…

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Q: The Redox Potential of elements in different oxidation states can be presented in a diagrammatic…

A: We need to explain the differences between Latimer diagrams, Frost diagrams and Pourbaix diagrams,…

Q: Determine if HNO3 can dissolve  metal sample. If it can, write a balanced chemical reaction showing…

A: Nitric acid is oxidizing agent which oxidize the metal and get reduced.

Q: 4. This question is about iron. (a) Iron is extracted from its main ore in a blast furnace. waste…

A: Iron is extracted from its ore named as hematite Fe2O3 . In blast furnace there is very high…

Q: The process of releasing metal atom from the cathode surface in hollow cathode lamp is called a.…

A: Hollow cathode lamp contain a cathode of the analyte element and an anode are filled with a noble…

Q: 1. When 1.164 g of a certain metal sulfide was roasted in air, 0.972 g of the metal oxide was…

A: #Q.1: Both sulfide(S2-) and oxide(O2-) have same charge of -2. The charge on the unknown metal(M) is…

Q: If a copper metal is immersed in an aqueous solution containing Ag+ ions, what would you expect to…

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Q: What characteristics do you believe zinc gives to this coated, or galvanized, steel? What safety…

A: Zinc : Zinc is the metal which is often coated as outer coating on stainless steel , this coating…

Q: rimarily composed of iron) pipe can be protected from corrosion by attaching to the pipe a strip of…

A: Silver forms an oxide layer around the steel. This can prevent steel from rust.

Q: 29.Identify which describes the oxidation process and which describes the reduction process. Then…

A: “Hey, since there are multiple questions posted, we will answer first given question. If you want…

Q: 44. Aluminum (E° Al3+/Al = -2.07 V) is more easily oxidized than iron (E3+ = -0.477 V), and yet when…

A: Aluminum is more easily oxidized than iron and yet when both are exposed to the environment ,…

Q: An inert metal immersed in a .30 solution containing two oxidation states of the same metal is…

A: If the electrode is made up of a metal and its insoluble oxide, the electrode is called metal…

Q: use the table standard reduction potentials located in the table to predict if a reaction will occur…

A: In this question, we will predicted that Reaction will occur or not when Mg metal put into aqueous…

Q: Which metal can be oxidized with an Sn* solution but not with an Fe2+ solution?

A: Some metals can be oxidized with an Sn2+ solution but not with a Fe2+ solution, that has to be given…

Q: Metals like sodium, potassium, calcium and magnesium are extracted by electrolysis of their…

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Q: Use the table 'Standard Reduction Potentials' located in the 'Tables', to predict if a reaction will…

A: Reduction potential values are considered to be important in prediction of whether the species will…

Q: 17. What would be the products of a 0/1 single-replacement reaction between copper and zinc sulfate?…

A: Given :  To determine the products of a 0/1 single-replacement reaction between copper and zinc…

Q: Why is rusting occurs rapidly in moist conditions as compared to a dry environment.

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Q: Hall process O electroplating O corrosion recovery of sodium metal

A: We have to choose the following is not an application of electrolysis as follows in step 2:

Q: In hydrometallurgical zinc production, refining processes are carried out in solution before…

A: Hydrometallurgy is carried out in solution. It is a process in which aqueous solutions are used to…

Q: 29.Identify which describes the oxidation process and which describes the reduction process. Then…

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Q: Calculate the oxidation number for each element within the compound KNO2

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Q: For a particular redox reaction, C this reaction in basic solution. TI balanced reaction:

A: ClO2- + 2H2O ------> ClO4-  + 4H+ + 4e-  In basic medium,  Added both side 4OH- ion  ClO2- + 2H2O…

Q: Which will corrode more quickly, a piece of scratched galvanized iron (Fe coated with Zn) or a piece…

A: The reduction is a process in which compounds accept electrons, and oxidation is when electrons are…

Q: Rank the metal ions by oxidizing strength and the metals by reducing strength from strongest to…

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Q: Use the References to access important values if needed for this question. Enter electrons as e".…

A: Known: Standard reduction potential of Cu, ECu2+|Cuo=+0.34 V Standard reduction potential of Fe,…

Q: Use the References to access important values if needed for this question. Enter electrons as e".…

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Q: Which of the following is not a method used to protect iron objects from corrosion? O Apply a…

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Q: a metal is obtained directly by roasting of its sulphide ore. name that metal.

A: Roasting is the process in which a sulfide ore is converted into free metal or metal oxide in the…

Q: Determine whether HI can dissolve  metal sample. If it can, write a balanced chemical reaction…

A: The standard reduction potential determines the direction of a reaction.  The standard reduction…

Q: What species has the ability to oxidize metallic silver to silver cations spontaneously? Fill in the…

A: The reaction at which the oxidation and reduction both take place is known as redox reaction.

Q: C. To work better as a sacrificial anode, an alloy can potentially be created to have a more / […

A: Since the alloy is serving as an anode. Hence it means the alloy will have more tendency to get…

Q: 3. Why is the measured mass different than calculated mass deposited? 4. What affects the rate of…

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Q: What is the oxidation state of any pure element in its standard state?  a. Pick two elements as…

A: When a molecule loses an electron, that molecule is said to be oxidized whereas when a molecule…

Q: A substance X used for coating iron articles is added to a blue solution of a reddish brown metal…

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Q: Which metal can be oxidized with an Sn* solution but not with an Fe" solution?

A: The order of reactivity of metals can be remembered by MAZINT- magnesium, aluminium, zinc, iron,…

Q: Use the References to access important values if needed for this question. Enter electrons as e".…

A: The balanced net ionic equation for the reaction is given below

Q: What is the name of the material that resists oxidation at elevated temperatures so air can be used…

A: Stainless steel  are used that resists oxidation at elevated temperatures so air can be used as a…

Q: Which of the following is not a method used to protect iron objects from corrosion? O Apply a…

A: .Corrosion occurs due  to the oxidation of material by oxygen  and moisture.

Q: What property allows copper to be purified in the presence of iron and nickel impurities? Explain.

A: • In order to achieve 99.9% pure copper used for wiring, electrorefining process is adopted. • In…

Q: Some metals are found in the uncombined free state while other metals are found in the combined…

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Q: Which metals do not corrode easily?

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Q: Considering the carrosion of ferrous metal (containing iron) metal, which of the following…

A: Corrosion is a reduction-oxidation process in which metal is oxidized by the oxygen in its…

Q: An acidic solution containing copper ions is electrolyzed, producing gaseous oxygen (from water) at…

A: Given  =  Mass of oxygen = 16.0g  Mass of copper = 63.5 g  Number of moles = Mass of the substance /…

Q: What is the best compound for reduction of silver nitrate except copper?

A: When copper is dipped in silver nitrate solution, copper displaces silver from the silver nitrate…

Q: In order to obtain 599 g of pure aluminum, molten aluminum oxide is electrolysed at 1000 °C. (a)…

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Q: Determine if HNO3 can dissolve  metal sample. If it can, write a balanced chemical reaction showing…

A: See the solution below.

Q: (a) Name the method used for removing gangue from sulphide ores. (b) How is wrought iron different…

A: The method used for removing gangue from sulphide ores has to be given.