Answer:
Interstitial diffusion is faster than vacancy diffusion.
Reasons:
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5. It is believed that interstitial diffusion is faster than vacancy diffusion. Can you show this...
It is believed that interstitial diffusion is faster than vacancy diffusion. Can you show this by comparing the values of diffusion coefficients of a pair of cases (one values for each type of diffusion) from Table 5.2......(5 points)
It is believed that interstitial diffusion is faster than vacancy diffusion. Can you show this by comparing the values of diffusion coefficients of a pair of cases (one values for each type of diffusion) from Table 5.2...... (5 points) Describe a real example of Fick's first law of diffusion....(2 points)
5. It is believed that interstitial diffusion is faster than vacancy diffusion. Can you show this by comparing the values of diffusion coefficients of a pair of cases (one values for each type of diffusion) from Table 5.2.. -(5 points) Diffusing Species Q. (J/mol) с 87,400 148,000 77,000 168,000 Nº N° Feº Fe Cud Alº Mg Znº Mod Host Metal D, (m/s) Interstitial Diffusion Fe (1 or BCC) 1.1 x 10-6 Fe (I or FCC) 2.3 * 105 Fe (...
5 One cause of failure is the use of defective materials. Metals can have several types of defects, including vacancies, interstitial impurities, and substitution impurities. (See your book!) Nickel adopts a face-centered cubic cell. Accordingly, 4 nickel atoms are present in each unit cell. The mass of a nickel atom is 9.746 x 10-26 kg. The density of nickel is 8.908 g/cm. What is the length of an edge of the unit cell? In words or pictures, briefly describe of...
Each question can be more than one correct answers. 3) Gas diffusion layers for PEM fuel cells: a) must be hydrophobic in order to hydrate the electrolyte b) show a lower porosity than MPLS c) are electronic conductors d) are responsible for crossover losses 4) Piezopolymers: a) do not show ferroelectric properties b) are able to maintain dipoles alignment c) show a perovskite lattice d) do not exhibit saturation polarization
please show work 14. The rate of solvolysis of iodide 1 is 100 times faster than the rate of solvolysis of iodide 3. What explanation (with structures) can you provide for the difference in reaction rates. Use aromaticity concepts!!(5 pts) OCH CH2OH Rate=100 tool tour CH3OH Rate=1.0
2. You cross a homozygous wildtype female Drosophila (fruit fly) with a male that has a black body (bb). You mate two of the F1 (first generation) flies and examine the F2 (second generation) offspring. The phenotypes can be seen in the table below. a. Draw a pedigree to show the P, F1, and F2 generations. You only need to draw one fly with each phenotype for the F2 generation. seen in this cross. the expected values for a cross...
4.15 A PN diode with lengths much larger than the carrier diffusion length such as shown in Fig. 4-18 is called a long-base diode. A short-base diode has lengths much shorter than the diffusion lengths, and its excess carrier concentration is similar to that shown in Fig. 8-6. A uniformly doped short-base Si diode has Nd- 101cm-3and Na 1016cm3. tp n1 us, Dp 10 cms, Dn 30 cm-s, and cross-sectional area10 cm. The length of the quasi-neutral N-type and P-type...
Q3: Compare between the meiosis and Mitosis. In your answer show a major 5 differences in the provided table in full sentences (one word is not enough). [20% Points) Meiosis Mitosis Q4: What is the cell cycle? What are the stages of cell cycle? Show you second answer in a diagram. [15% Points] Q2: Discuss the three cell types that can be distinguished based on capacity to grow and divide. Give an example for each type. [15% Points) 1. 2....
1. Polarimetry can be used to: (more than one answer may be correct) -measure the rotation of plane polarized light, but no further analysis can be carried out using the sample. -separate a pair of optical isomers. -find out which isomer of a chiral product you have made, by comparing the specific rotation to literature values for the same solvent, temperature, and wavelength. -determine the optical purity of the purified product from an enantioselective reaction. -determine the optical purity of...