The equilibrium system n2o4(g) 2no2(g) was established in a 1.00 liter vessel. upon analysis the following information was found: [no2] = 0.5 m; [n2o4] = 0.025 m. calculate the numerical value for the keq of the n2o4 2no2 system.

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.