Reactions cannot occur without a certain minimum amount of energy. What is this minimum amount of energy called? the activation energy
the activated complex
the kinetic energy of reactants
the potential energy of products

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change. when the temperature in a room increases from 25°c to 33°c, changes from a solid to a liquid. in a lab, methane and nitrogen are cooled from -170°c to -200°c. the methane freezes and the nitrogen . when gold is heated to 2,856°c it changes from a liquid to a .

What is the theoretical yield of carbon dioxide? a)0.993 gb)2.98 gc)3.65 gd)8.93 g

What are the 4 phases of matter in order of increasing engery content?