Fill-in-the-blank 14. In a chemical reaction, only the atoms present in the
can end up in the
products. 15. In a chemical reaction, no new atoms are created, and no atoms are
16. Increas ng the amount of reactants may increase the amount of
17. Products in a chemical reaction are usually formed more quickly at
temperatures. 18. It takes
to break bonds and
is released

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.

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?