Step 4: Model the energy change in the reaction. a) Create an energy graph that illustrates the energy change in the reaction.

b) Construct your graph on a blank sheet of paper. Be sure to label the axes, provide a title, and identify the reactants and products on the graph.​

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

Select all the correct answers.which compounds have the empirical formula ch20? (multiple answers)a.c2h4o2b.c3h603c.ch2o2d.c5h1005e.c6h1206