In an ion exchange process, which ion has a higher affinity for exchange: Potassium ions (K+) or Calcium ions (Ca2+)? Why
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- In an ion exchange process, which ion has a higher affinity for exchange: Potassium ions (K+) or Calcium ions (Ca2+)? Why?
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- Does the size of an ion affect the magnitude of the activity for varying ionic strengths? Does the activity coefficient depend on whether the ion is a cation or an anion?Explain which kind of microstructures you expect to observe at room temperature if an iron-carbon alloy of eutectoid composition is cooled down following the red and blue curves. 800 727° 700 Coarse pearlite 600 a+ FeC Fine pearlite 500 y+ a+ Fe,C 400 Bainite 300 M5- 200 so - Mo 100 1 sec 1 min 1 hour 1 day 102 103 104 105 0.1 10 Time, secondsTwo hypothetical metals are created with different elements that have the same atomic mass (g/mole) and the same atomic radius. Metal A has a density of 9.50 g/cm3 and metal B has a density of 8.73 g/cm3. If one of these metals has a BCC lattice structure and the other has an FCC lattice structure, identify the structure that corresponds to each of one of them. Justify your answer.
- Which of the following is NOT a linear molecule? * О с02 О Вен2 O cs2 OC12Two hypothetical metals are created with different elements that have the same atomic mass (g/mole) and the same atomic radius. Metal A has a densityof 9.50 g/cm3 and metal B has a density of 8.73 g/cm3. If one of these metals has a BCC lattice structure and the other has an FCC lattice structure, identify the structure that corresponds to each of one of them. Justify your answer.Two hypothetical metals are created with different elements that have thesame atomic mass (g/mole) and the same atomic radius. Metal A has a density of 9.50 g/cm3 and metal B has a density of 8.73 g/cm3 . If one of these metals has a BCC lattice structure and the other has an FCC lattice structure, identify the structure that corresponds to each of one of them. Justify your answer.
- In an experiment two electrolytic cells were connected so that the same current passed through both of them. One cell contained CuSO4, the other an unknown salt. It was found that 1.25 g of copper was plated out during the same period of time that 3.42 g of the unknown metal was plated out. How many moles of electrons passed through these cell? Answer with explanationsPeriod 6 is unusual in several ways.(a) It is the longest period in the table. How many elements be-long to Period 6? How many metals?(b) It contains no metalloids. Where is the metal/nonmetal boundary in Period 6?Discuss why a flat, plate-like cell will be more efficient in transporting materials than a spherical, ball-like cell of the same volume?