7) Platinum melts at 3215°F. What is the corresponding temperature in the Kelvin scale? A) 2207 K B) 2041 K C) 2296 K D)
Posted: Thu Jul 07, 2022 2:05 pm
7) Platinum melts at 3215°F. What is the corresponding temperature in the Kelvin scale? A) 2207 K B) 2041 K C) 2296 K D) 3215 K 8) Isobaric work is A) V Ap. B) p AT. 9) Thermal efficiency (non-Carnot) is A) 1 - Tcold/Thot- B) Q-W. C) 1- Qcold/Qhot- D) Q/T. E) Q/m. C) Q + W. D) p AV. E) 2135 K E) Q-W. 10) Consider two cylinders of gas identical in all respects except that one contains O₂ and the other He. Both hold the same volume of gas at STP and are closed by a movable piston at one end. Both gases are now compressed adiabatically to one-third their original volume. Which gas will show the greater pressure increase? A) the He B) neither; both will show the same increase C) impossible to tell from the information given D) the O₂