12. Which property of a mixture could be used to tell the difference between a container of salt water and a container of distilled water?
A. A mixture is not uniform.
B. A mixture contains more than one identifiable particle.
C. A mixture looks different than the pure substances from which it is made.
D. A mixture has different melting and boiling points than the pure substances
from which it is made.

Estructura 7.2 completar repaso 1 - ¿lógico o ilógico? 1 - ¿lógico o ilógico? listen and indicate whether each question and response is lógico or ilógico.

Base your answer on the information below and on your knowledge of chemistry. nitrogen dioxide, no2, is a dark brown gas that is used to make nitric acid and to bleach flour. nitrogen dioxide has a boiling point of 294 k at 101.3 kpa. in a rigid cylinder with a movable piston, nitrogen dioxide can be in equilibrium with colorless dinitrogen tetroxide, n2o4. this equilibrium is represented by the equation below. 2no2(g) n2o4(g) + 58kj at standard pressure, compare the strength of intermolecular forces in no2(g) to the strength of intermolecular forces in n2(g).

Name the intersection of plane bpq and plane cpq.