Under which conditions of temperature and
pressure does a real gas behave most like an
ideal gas?
(1) 37 k and 1 atm (3) 347 k and 1 atm
(2) 37 k and 8 atm (4) 347 k and 8 atm

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