Why is the melting of ice a physical change ?

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.

Aside from human impact, which of the following causes less water vapor production over a small area? (2 pderivartin

Based on the equation and the information in the table, what is the enthalpy of the reaction?