A Cu-Ni alloy is produced that is 43 atom % Ni. At a temperature of 1260°C:
(a) What phases are present?
(b) What are their chemical compositions?
(c) What is the atom fraction of each phase present?
You might also like to view...
A coil of 150 turns of wire is in the form of a circle, carries a current of 63 mA, and sits in the center of a dipole magnet that produces a uniform magnetic field of strength 1.5 T. The torque on the coil has a maximum value of 0.25 Nm. What is the radius of the coils?
A. 9.2 cm B. 13 cm C. 0.56 cm D. 7.5 cm
Which of the following statements is true of brown dwarfs?
A) They are almost the same size as Jupiter. B) They emit most of their energy as gamma rays. C) They generate energy by hydrogen fusion. D) They are high-luminosity objects.
The energy in the atmospheres of most of the jovian planets comes
A) almost entirely from their interiors. B) almost entirely from the Sun. C) both the Sun and their interiors, with both contributing significantly. D) tidal heating.
The Doppler effect is observed only when
a. the source of a wave moves toward a stationary observer. b. there is relative motion between the source of a wave and an observer. c. an observer moves toward the stationary source of a wave. d. both the source of a wave and an observer are moving toward each other.