3. What are the factors needed for phase change to happen? A. Heat and pressure
C. Sound and radiation
B. Power and radiation
D. Force and velocity​

Convert a speed of 201 cm/s to units of inches per minute. also, show the unit analysis by dragging components into the unit‑factor slots.

An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o

Drag each pressure unit with the corresponding number to describe standard atmospheric pressure