Compara los índices de refracción del agua ,aire y vidrio.¿qué sucede con la desviación del rayo luminoso al pasar desde el aire al agua y desde el aire al vidrio? Explica.

Phase changes are chemical changes. true or false

Drag each item into the proper state of matter category.

Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. volume = 1000 cm^3 for all three shhapes, and the same casting alloy is used. a) determine the solidification times of each geometry b) based on the results of part (a), which geometric element would make the best riser? c) if the mold constant = 3.5 min/cm^2 in chvorinov's rule, compute the total solidification time for each casting.