Calculate the number of vacancies per cubic meter in gold (Au) at 900C. The energy for vacancy formation is 0.98 eV/atom. Furthermore, the density and atomic weight for Au are 18.63 g/cm3 (at 900C) and 196.9 g/mol, respectively. AI0.1431(b) Repeat this calculation at room temperature(298 K).Co0.1253HCPCr0.1249BCC(c) What is the ratio of N/N (1357 K) and N/N(298 K)?Fe0.1241BCCPt0.1387FCCZn0.1332HCP4.4 Calculate the number of vacancies per cubic me-ter in gold (Au) at 900°C. The energy for vacancyformation is 0.98 eV/atom. Furthermore, the den-sity and atomic weight for Au are 18.63 g/cm³ (at900°C) and 196.9 g/mol, respectively.45 Calculate the energy for vacancy formation inWhich of these elements wouldform the following with nickel:(a) a substitutional solid solutic

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Chemistry for Today: General, Organic, and Biochemistry

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Chapter6: The States Of Matter

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Calculate the number of vacancies per cubic meter in gold (Au) at 900C. The energy for vacancy
formation is 0.98 eV/atom. Furthermore, the density and atomic weight for Au are 18.63 g/cm3
(at
900C) and 196.9 g/mol, respectively.

AI
0.1431
(b) Repeat this calculation at room temperature
(298 K).
Co
0.1253
HCP
Cr
0.1249
BCC
(c) What is the ratio of N/N (1357 K) and N/N
(298 K)?
Fe
0.1241
BCC
Pt
0.1387
FCC
Zn
0.1332
HCP
4.4 Calculate the number of vacancies per cubic me-
ter in gold (Au) at 900°C. The energy for vacancy
formation is 0.98 eV/atom. Furthermore, the den-
sity and atomic weight for Au are 18.63 g/cm³ (at
900°C) and 196.9 g/mol, respectively.
45 Calculate the energy for vacancy formation in
Which of these elements would
form the following with nickel:
(a) a substitutional solid solutic

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