What is the number density of free electron carries in the metallic element nickel if the electrons available for electrical conduction is 1 e- per nickel atom? The atomic mass of nickel is 58.6934 g/mole and the density of nickel is 8.902 g/cm3. a. 3.32 x 1028 e- ' s /m3 b. 1.56 x 1029 e- ' s /m3 c. 5.64 x 1028 e- ' s /m3 d. 9.13 x 1028 e- ' s /m3 e. 7.63 x 1028 e- ' s /m3

What is the number density of free electron carries in the metallic element nickel if the electrons available for electrical conduction is 1 e- per nickel atom? The atomic mass of nickel is 58.6934 g/mole and the density of nickel is 8.902 g/cm3. a. 3.32 x 1028 e- ' s /m3 b. 1.56 x 1029 e- ' s /m3 c. 5.64 x 1028 e- ' s /m3 d. 9.13 x 1028 e- ' s /m3 e. 7.63 x 1028 e- ' s /m3

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter23: Electric Forces

Section: Chapter Questions

Problem 57PQ: How many electrons are in a 1.00-g electrically neutral steel paper clip? The molar mass of steel is...

See similar textbooks

Similar questions

What is the magnitude of the flow speed of the charge carriers (mm/s)? Diameter=1.5 mm I=2.01 A There are 8.5×1028 free electrons in copper per cubic meter and cross-sectional area is 1.767μm2
Physics ch27 #7 a-c
How many electrons are in a 1.00-g electrically neutral steel paper clip? The molar mass of steel is approximately that of iron, or 55.845 g/mol, and a neutral iron atom has 26 electrons.
What does the term fibrillation mean in connection with heart function? Give two important causes of heart fibrillation in human beings. How do pacemakers and defibrillators help to prolong life for patients suffering from this condition?
The number density of conduction electrons in a metal can be found from the density ρ of the metal, the mass per mole M of the metal, the number of conduction electrons per metal atom, and Avogadro’s number NA. If we assume one conduction electron per atom, which of the following gives the number density of conduction electrons for a given metal? a. NA ρM b.NA ρ/M c. NA M/ρ d. NA /ρM
Carry out the following unit conversions. a) 82 μg to mg b) 6.73 × 10 − 4 mm to nm c) 1.37 × 106nA to mA d) 4.8 × 1018 mW to GW
A photoresistor is used in a voltage divider as R2. V = 9.0 V and R1 = 500 Ω. a) What is the output voltage, V2, across R2, when a bright light strikes the photoresistor and R2 = 475 Ω? b) When the light is dim, R2 = 4.0 kΩ. What is V2? c) When the photoresistor is in total darkness, R2 = 0.40 MΩ (0.40 x 106 Ω). What is V2?
Car manufacturers are developing engines that use H2 asfuel. In Iceland, Sweden, and other parts of Scandinavia, wherehydroelectric plants produce inexpensive electric power, the H2 can be made industrially by the electrolysis of water(a) How many coulombs are needed to produce 3.5x10^6L of H2 gas at 12.0 atm and 25°C? (Assume the ideal gas law applies.)(b) If the coulombs are supplied at 1.44 V, how many joules areproduced?(c) If the combustion of oil yields 4.0x10^4kJ/kg, what mass ofoil must be burned to yield the number of joules in part (b)?
The table given below shows the resistivity of three Material X, Y and Z? Samples X Y Z Resistivity 3 X 10-9 11.1 X 0-6 18X10-17 a. Arrange the samples in increasing order of conductivityb. Which of these is best conductor?c. Which are these is best insulator?
(a2tf) 6 7 8 9 and 10
(i) The total electrical resistivity of metals is the sum of the contributions from thermal vibrations, impurities and plastic deformation; (ii) the resistivity rises linearly with temperature above -200 degree Celsius; (iii) increasing the concentration of impurity results in an enhancement of impurity; (iv) plastic deformation also raises the electrical resistivity due to the increased numbers of electron-scattering dislocations. Which of the above statements is false? D. (iv) A. (i) C. (iii) E. All of the above B. (ii) Other:
Silver has density 10.5 x 103kg/m3 and resistivity of 1.6 x 10-8 ohm.m at room temperature. a)what is the mean time between collision? b)what is the mean free path the electron thermal velocity?