The average molecular kinetic energy of a gas can be determined by knowing
A) only the number of molecules in the gas.
B) only the volume of the gas.
C) only the pressure of the gas.
D) only the temperature of the gas.
E) All of the above quantities must be known to determine the average molecular kinetic energy.
D
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A. 1.1 A B. 2.2 A C. 3.3 A D. 4.4 A E. 0.91 A
Why is the air at higher altitudes cooler than that at lower altitudes?
A. Because of the relation expressed in Charles' Law, V/T = constant. B. Because of the relation expressed in Gay-Lussac's Law, P/T = constant. C. Because of the relation expressed in Boyle's Law, PV = constant.
The maria are really seas of long since hardened ________, a dark volcanic rock that also makes up the ocean basins of Earth
Fill in the blank(s) with correct word
An ideal transformer is one that:
a. has an output frequency of 60 Hz. c. experiences no power loss. b. has a turn ratio, N2/N1, equal to 1. d. works with direct current.