Asample is prepared by completely dissolving 10.0 grams of nacl in 1.0 liter of h2o. which classification best describes this sample?
(1) homogeneous compound
(2) homogeneous mixture
(3) heterogeneous compound
(4) heterogeneous mixture

  the mississippians were considered to be  horticulturalists, which means they were

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.

What is happening when the water inside a kettle heats up and begins to boil