On Earth, the acceleration due to gravity is 9.8 m/s2. If a person has a mass of 65,000 g, how much force do they exert in Newton's? In pounds? (Note: 1 lb = 4.448 N)

Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.