The molar concentrations for the reactants and products at equilibrium are found to be (HCI) = 0.80 M, [02] = 0.20 M, (C12) = 3.0 M, and (H2O) = 3.0 M. What is the value of the equilibrium constant for this reaction?
4HCI(g) + O2(8) 2012(g) + 2H2O(g)
Express your answer numerically using two significant figures.

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

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.