which metal Mg or Fe burned at the highest temperature? State the evidence that led to your decision?

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

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Q: A dimensional analysis setup to determine the mass of Fe that can be fully oxidized by 8.93 grams of…

A: Given Reaction : 4 Fe + 3 O2 → 2 Fe2O3 Conversion given :  8.93 g O2 ×1 mole O231.998 g O2×3 mole…

Q: Steel wool scouring pads stored on the edge of a stainless steel sink corrode after one use. To…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Explain how electrical current and potential difference differ.

A: Differences between electrical current and potential difference: Electrical current is measured in…

Q: Aluminum can be produced by the electrolysis of Al2O3 at a voltage of 2.5 V. a. How many joules of…

A: We will use the Gibbs energy formula here. Please refer to the below image added answers.

Q: Calculate the amount of heat transferred when 3.59 g of Mg(s) reacts at constant pressure.

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Q: acid sulfate solution in plating the different metals commonly used in industry

A: Acid plating consists of copper sulphate and sulphuric acid which is an integral composition when it…

Q: About 50,000 kJ of electrical energy is required to produce 1.0 kg of Al from its Al(OH)3 ore. The…

A: Calculate the number of moles of aluminum Given mass of aluminum = 1000 g Molar mass of aluminum =…

Q: The mass of zinc found on each nail can then be used to determine how much it should cost to…

A: Galvanization refers to coating of zinc on the other metal surface. It is done, usually to protect…

Q: Cathode is ... terminal. * Negative. Positive.

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Q: B. Click on the left pop-out tab for metals and select silver (Ag). Click on the left pop-out tab…

A: Since you have posted multiple questions with multiple sub-parts, we will solve the first three…

Q: Ci Very hot H3CO OCH

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Q: он о صرة متے هی هے پر ود لا Ⓒ هد مهم له Et .or Br

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Q: Please help me answer this question, thank you! Based on the field of interest (Civil Engineering),…

A: Surveying Tapes are used in surveying to take linear measurements. They are available in different…

Q: 1 A sample of a Fe2+ solution requires 26 mL of 0.0200 M K2Cr2O7 for a reaction  in which Fe2+ is…

A: Normality and molarity are two unit of concentration. Here we required to find the  normality of…

Q: Suppose 630. mmol of electrons must be transported from one side of an electrochemical cell to…

A: The given problem can be solved by using the formula given below as; Current I = Charge qtime t…

Q: Why do you think these differences exist between the two in how each produces electricity?

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Q: Cite application of the acid sulfate solution in plating the different metals commonly used in…

A: PLATING IN ACID SULPHATE SOLUTION Copper sulphate pentahydrate and sulfuric acid are the main…

Q: The amount of substance formed or consumed at the electrodes is proportional to the quantity of…

A: Faraday's  law -  It states that the induced  voltage  in circuit is proportional to the rate of…

Q: With all other things being equal, in which of the following locations will an iron fence corrode…

A: The solution is given below -

Q: During smelting, an additional substance is added which combines with impurities to form a fusible…

A: Smelting is a process used to extract a base metal by applying heat to the ore.

Q: . electroplating means using electricity to coat one metal with another, to make it look better, or…

A: Electroplating is one of the applications of electrochemistry, where the coating of metal takes…

Q: For the processes the manufacturer tested in March, April, and May, which metals had their levels…

A: From literature, the standard reduction potential of the metals mentioned are as follows,…

Q: What is electrode potential?

A: Electrode potential is to be defined.

Q: Write a balanced chemical equation for the standard formation reaction of solid vanadium(V) oxide…

A: The standard formation reaction of any species is the reaction in which 1 mole of the species is…

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: The gold plating of a ceramic figurine requires a total of 4.19 g of solid gold.  If the current…

A: Given  Mass of solid gold required = w = 4.19 g Current being used is = I = 11.0 amperes how many…

Q: Corroding of metal is a chemical change. Select one: O True O False

A: A chemical change is one in which an element or compound reacts with another element or compound to…

Q: ow many Faraday is needed to deposit 5 moles of Aluminium (Al) from AlCl3 solution using…

A: According to Faraday law:- when the same quantity of electricity is passed through a solution of…

Q: What mass of copper could be electroplated on the cathode in an experiment were an average of 200 mA…

A: Charge passing through the cell is determined using the given formula.

Q: List 3 techniques for protection against corrosion

A: Corrosion can be defined as the deterioration of a metal as a result of chemical reactions between…

Q: What is the Copper Electrolysis cell?

A: Electrolytic cells are use electricity to decompose chemical substances.

Q: 6. Iron coated with zinc to prevent corrosion is known as iron. a) protected b) cathode iron cast d)…

A: Corrosion is the degradation of a metal when it undergoes a chemical reaction.

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: calculate the amount of energy required to make 235 g of aluminum at a smelting temperature of 658°C

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Q: A baby’s spoon with a surface area of 6.25 cm2 is plated with silver from AgNO3 using a current of 2…

A: The basis of electrolytic cells is the conversion of electrical energy to chemical energy. Any…

Q: What is the standard state of copper?

A: Standard state of an element is state /phase they exist at 25°C temperature and 1 atmoshperic…

Q: Rusting of a metal is a chemical or physical process?

A: Physical property is the one in which any aspect of an object or substance that can be measured…

Q: 10. Corrosion is the disintegration of metals through a. combustion. c. oxidation. b. reduction. d.…

A: 10.Correct answer is C

Q: Name the method used for refining of copper metal.

A: Refining refers to metallurgical process that aims at purifying the metal obtaining pure metal from…

Q: In the basic oxygen furnace, what happens if you accidentally use too much oxygen? (select all that…

A: A question based on general chemistry that is to be accomplished.

Q: You are a bioengineer designing a new type of pacemaker. Which type of Galvanic cell would be best…

A: The lithium / iodine-polyvinylpyridine battery, first implanted in 1972 has become the power source…

Q: How does knowledge on spontaneous and nonspontaneous reactions, and electrochemistry benefit mankind…

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Q: What are the meanings of positive and negative reduction potentials?

A: Reduction potential is the potential at which reduction take place. Reduction is the process in…

Q: When copper is dissolved in solution it can be recovered by the process of Redox Reaction

A: The reason for the given statement "when copper is dissolved in solution it can be recovered by the…

Q: How can we convert glass into quartz?

A: Glass is an amorphous in nature while quartz is crystalline.Quartz can be converted into glass by…