Given the reaction at equilibrium: A(g) + B(g) <-> AB (g) + heat. The
concentration of A(g) can be increased by *
lowering the temperature
adding a catalyst
increasing the concentration of AB(9)
increasing the concentration of B(g)

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.

What is bromine+calcium iodide--> calcium bromide +iodine balanced