1. A certain amount of chlorine gas was placed inside a cylinderwith a movable piston at one end. The initial volume was 3.00\rm L and the initial pressure ofchlorine was 1.15 atm. The piston was pushed down to change thevolume to 1.00 \rm L. Calculate the final pressure of thegas if the temperature and number of moles of chlorine remainconstant..
2.In an air-conditioned room at 19.0 ^\circ\rm C, a spherical balloon hadthe diameter of 50.0 \rm cm. When taken outside on a hot summerday, the balloon expanded to 51.0 cm in diameter. What was the temperatureoutside? Assume that the balloon is a perfect sphere and that thepressure and number of moles of air molecules remaiA cylinder witha movable piston contains 2.00 \rm g of helium, \rm He, at room temperature. More heliumwas added to the cylinder and the volume was adjusted so that thegas pressure remained the same. How many grams of helium were addedto the cylinder if the volume was changed from 2.00 \rm L to 3.30 L? (The temperature was held constant.)ns thesame.


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