Quiz
active
in which phase(s) of matter are the atoms closely packed but still able to slide past each other?
gas
liquid
solid and gas
liquid and solid

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color 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

‘which reaction would most likely require the use of an inert electrode?