A 25-liter sample of steam at 100°c and 1. 0 atm is cooled to 25°c and expanded until the pressure is 19. 71 mm hg. If no water condenses, calculate the final volume of the water vapor. 240 l 770 l 1. 0 l 1. 3 x 10 -3 l.

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

In 1999, the u.s. announced trade sanctions worth $116.8 million, targeting goods from france, germany, italy and denmark. the sanctions were in retaliation for a ban on u.s. hormone-treated beef by which organization?