How many liters of oxygen are liberated when 39.2 grams of barium chlorate are heated to produce barium chloride and oxygen gas?

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset

Compare and contrast refraction of light and sound will give brainliest