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Author Archives: Anonymous

The aqueous electrolysis of Mg(NO3)2 will yield what species…

The aqueous electrolysis of Mg(NO3)2 will yield what species at the anode?

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Choose the INCORRECT statement(s) about transition elements….

Choose the INCORRECT statement(s) about transition elements.  I. The lower oxidation states usually form covalent compounds.  II. Transition metal ions are good Lewis acids.  III. Reducing strength decreases across the period. IV. The atomic radius of Tungsten is greater than the atomic radius of Molybdenum

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A solution of AuCl3 is electrolyzed by passing 85.0 A of cur…

A solution of AuCl3 is electrolyzed by passing 85.0 A of current for 17.6 min. What mass of gold plates out?

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A scientist constructs a galvanic cell as shown in the diagr…

A scientist constructs a galvanic cell as shown in the diagram. Use the data table with standard reduction potentials for the substances to determine the anode and cathode half cells. As the cell operates, which electrode increases in mass?

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Which of the following cannot form both high- and low-spin o…

Which of the following cannot form both high- and low-spin octahedral complexes?

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A certain metal, M, forms a soluble sulfate salt, MSO4. Supp…

A certain metal, M, forms a soluble sulfate salt, MSO4. Suppose the left half-cell of a galvanic cell apparatus is filled with a 175 mM solution of and the right half-cell with a 3.50 M solution of the same substance. Electrodes made of M are dipped into both solutions and a voltmeter is connected between them. The temperature of the apparatus is held constant at 25.0 °C. What voltage will the voltmeter show?

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For the redox reaction in acidic solution: a I2(s) + b Cu2+(…

For the redox reaction in acidic solution: a I2(s) + b Cu2+(aq) + c H2O(l)

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Which of the following reactions will occur spontaneously un…

Which of the following reactions will occur spontaneously under standard-state conditions and 25°C?

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Zinc-cerium batteries are a type of battery utilizing the re…

Zinc-cerium batteries are a type of battery utilizing the reaction: Zn2+(aq) + 2 Ce3+(aq) → Zn(s) + 2 Ce4+(aq). To construct this battery, would you need to use an inactive electrode for either the anode or cathode?

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In a voltaic cell anions move through the salt bridge to the…

In a voltaic cell anions move through the salt bridge to the cathode solution

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