The Saturnian moons of most interest to exobiologists are
A) Rhea and Iapetus.
B) Phoebe and Dione.
C) Mimas and Tethys.
D) Hyperion and Miranda.
E) Titan and Enceladus.
E
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Two moles of an ideal gas are placed in a container of adjustable volume. When measurements are made
A. the pressure is inversely proportional to the volume at constant temperature. B. the temperature is directly proportional to the volume at constant pressure. C. the temperature is directly proportional to the pressure at constant volume. D. all the statements above are found to be correct. E. only statements (a) and (b) are found to be correct.
A temperature difference of 10 Celsius degrees is also equal to a temperature difference of
10 on the A) Fahrenheit scale. B) Kelvin scale. C) both of these D) neither of these
For electric power that costs 10 cents per kilowatt hour, the cost of operating a 110-V heater that uses 20 A for 10 hours is
A) $0.22. B) $0.55. C) $2.20. D) $5.50. E) none of the above
If 10 J of work is used in pushing 1 C of charge into an electric field, its electric potential relative to its starting position is
A) less than 10 V. B) 10 V. C) more then 10 V. D) none of the above