Describe in short about the paper chromatography.

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.

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

How much energy is made when a pice of wood burns. how do you know