The diagram below shows a substance undergoing a phase change. heat
The diagram shows heat being removed from the substance, causing
OA. it to form a gas as its particles move closer together.
B. it to form a liquid as its particles move closer together.
oc. it to form a solid as its particles move farther apart
D.
it to form a liquid as its particles move farther apart

As a part of an experiment a student burns propane to produce carbon dioxide and water she remembers that she must follow the law conservation of matter when writing a balanced chemical equation which of these equation adheres to the law of conservation of matter

If two objects at different te,peraure are in contact with each other what happens to their temperature

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.