Q1. Which are characteristics of a mixture? (Select all that apply.) made up of two or more substances

can be evenly mixed

can appear unevenly mixed

are chemically combined

The rules of engagement (roe) working group is often used to (select all that apply.)

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

What are the chemical names of these compounds? ke: mg3n2: reset next