Arrange LiF, HCl, HF, and F2 in order of decreasing normal boiling point.

Magnesium oxide has the following formula.

The correct name for the compound N2O3 is ______.

Between HClO3 and HIO3, which is stronger, and why?

The formation of nitrogen trichloride is: N2(g) + 3Cl2(g) ⇌ 2NCl3(g)   ΔH = +232 kJ/mol Which change will increase the concentration of the product?

What is the pH of a buffer made by combining 45.0 mL of 0.150 M nitrous acid and 20.0 mL of 0.175 M sodium nitrite? The Ka of nitrous acid, HNO2, is 4.5×10–4.   

What mass (in grams) of iron (Fe, molar mass = 55.85 g/mol) is needed to experimentally produce 50.0 g of iron(III) oxide (Fe2O3, molar mass = 159.70 g/mol) in excess oxygen if the percent yield is 78.7%?                              4Fe(s) + 3O2(g) → 2Fe2O3(s)

Oxygen and ozone are allowed to come to equilibrium in the exothermic reaction: 2O3(g) ⇌ 3O2(g) Which change will decrease the numerical value of the equilibrium constant, K?

Which atomic orbital corresponds to this set of quantum numbers in a ground state atom of boron?                         (2, 1, –1, ½)

Between HI and HF, which has the higher boiling point, and why?