A certain amount of ideal monatomic gas is maintained at constant volume as it is cooled from 455K to 405 K. This feat is accomplished by removing 400 J of heat from the gas
How much work is done by the gas during this process? The ideal gas constant is R = 8.314 J/mol ? K.
A) -400 J B) -200 J C) 400 J D) 0.00 J E) 200 J
D
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Vega is an A0 main sequence star. Based on this information, which statement is true?
a. Vega has a surface temperature that is less than the Sun b. Vega has mass that is greater than the Sun c. Vega is less luminous than the Sun d. Vega has mass that is less than the Sun e. Vega is located near the lower right hand corner on the HR diagram
Suppose you receive a message from a starbase that is 13.0 light-years from earth. The message is dated July 15, 2127. What year does your calendar indicate at the time of reception if your calendar and the station’s calendar are correctly synchronized?
A. 2127 B. 2114 C. 2140 D. Other (specify)
__________is one of the gaps in the rings of Saturn that are caused by resonances with moons
A) Enceladus B) The Cassini Division C) Galileo's paradox D) The Great Red Spot
Three point charges are located at the following positions: Q1 = 2.00 ?C at x = 1.00 m; Q2 = 3.00 ?C at x = 0; Q3 = -5.00 ?C at x = -1.00 m. What is the magnitude of the force on the 3.00-?C charge?
A) 5.40 × 10-2 N B) 0.135 N C) 0.158 N D) 8.10 × 10-2 N E) 0.189 N