In this lab, you will observe the properties of oil,
cornstarch, salt, and
sodium bicarbonate. You will
use the properties to classify the substances as
ionic and covalent. Restate this goal in the form of
an investigative question.

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation:

Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element

Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.