Carlos is making phosphorus trichloride using the equation below. He uses 15. 5 g of phosphorus and collects 50. 9 g of phosphorus chloride. 2p +3cl2 2pcl3 how much chlorine reacted with the phosphorus? 15. 5 g 17. 7 g 35. 4 g 66. 4 g.

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

Which object has the least amount of kinetic energy? a. a car driving down a road b. a soccer ball rolling down a hill c. a bicycle locked to a bike rack d. a satellite orbiting earth

Asociologist chose 300 students at random from each of two schools and asked each student how many siblings he or she has . the result are shown in the table below. there are a total of 2,400 students at lincoln school and 3,300 students at washington school .what is the median number of siblings for all the students surveyed ? a)0b)1c)2d)3