Iodine gas in a container is heated over a flame. What happens to the average kinetic energy of the iodine particles

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains